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Finding the Fourth Proportional to 22,447.60, 30,966.30 and 17,133.19

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Solution

The fourth proportional to 22,447.60, 30,966.30 and 17,133.19 is: 23,635.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,447.60 : 30,966.30 = 17,133.19 : x
  2. Step 2: Convert to fraction form
    22,447.60/30,966.30 = 17,133.19/x
  3. Step 3: Cross multiply
    22,447.60x = 30,966.30 × 17,133.19
  4. Step 4: Simplify right side
    22,447.60x = 530,551,501.50
  5. Step 5: Solve for x
    x = 530,551,501.50/22,447.60
  6. Step 6: Final answer
    x = 23,635.11

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.