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Finding the Fourth Proportional to 22,014.15, 33,020.07 and 7,221.12

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Solution

The fourth proportional to 22,014.15, 33,020.07 and 7,221.12 is: 10,831.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,014.15 : 33,020.07 = 7,221.12 : x
  2. Step 2: Convert to fraction form
    22,014.15/33,020.07 = 7,221.12/x
  3. Step 3: Cross multiply
    22,014.15x = 33,020.07 × 7,221.12
  4. Step 4: Simplify right side
    22,014.15x = 238,441,851.77
  5. Step 5: Solve for x
    x = 238,441,851.77/22,014.15
  6. Step 6: Final answer
    x = 10,831.30

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.