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Finding the Fourth Proportional to 47,394.60, 65,401.92 and 29,489.04

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Solution

The fourth proportional to 47,394.60, 65,401.92 and 29,489.04 is: 40,693.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,394.60 : 65,401.92 = 29,489.04 : x
  2. Step 2: Convert to fraction form
    47,394.60/65,401.92 = 29,489.04/x
  3. Step 3: Cross multiply
    47,394.60x = 65,401.92 × 29,489.04
  4. Step 4: Simplify right side
    47,394.60x = 1,928,639,834.96
  5. Step 5: Solve for x
    x = 1,928,639,834.96/47,394.60
  6. Step 6: Final answer
    x = 40,693.24

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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.