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Finding the Fourth Proportional to 47,397.60, 65,418.96 and 32,326.20

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Solution

The fourth proportional to 47,397.60, 65,418.96 and 32,326.20 is: 44,617.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,397.60 : 65,418.96 = 32,326.20 : x
  2. Step 2: Convert to fraction form
    47,397.60/65,418.96 = 32,326.20/x
  3. Step 3: Cross multiply
    47,397.60x = 65,418.96 × 32,326.20
  4. Step 4: Simplify right side
    47,397.60x = 2,114,746,384.75
  5. Step 5: Solve for x
    x = 2,114,746,384.75/47,397.60
  6. Step 6: Final answer
    x = 44,617.16

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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.