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Finding the Fourth Proportional to 44,745, 67,132.14 and 13,580.28

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Solution

The fourth proportional to 44,745, 67,132.14 and 13,580.28 is: 20,374.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,745 : 67,132.14 = 13,580.28 : x
  2. Step 2: Convert to fraction form
    44,745/67,132.14 = 13,580.28/x
  3. Step 3: Cross multiply
    44,745x = 67,132.14 × 13,580.28
  4. Step 4: Simplify right side
    44,745x = 911,673,258.20
  5. Step 5: Solve for x
    x = 911,673,258.20/44,745
  6. Step 6: Final answer
    x = 20,374.86

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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.