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Finding the Fourth Proportional to 22,480.60, 33,712.80 and 11,383.60

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Solution

The fourth proportional to 22,480.60, 33,712.80 and 11,383.60 is: 17,071.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,480.60 : 33,712.80 = 11,383.60 : x
  2. Step 2: Convert to fraction form
    22,480.60/33,712.80 = 11,383.60/x
  3. Step 3: Cross multiply
    22,480.60x = 33,712.80 × 11,383.60
  4. Step 4: Simplify right side
    22,480.60x = 383,773,030.08
  5. Step 5: Solve for x
    x = 383,773,030.08/22,480.60
  6. Step 6: Final answer
    x = 17,071.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.