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Finding the Fourth Proportional to 63,959.60, 96,025.80 and 40,631.60

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Solution

The fourth proportional to 63,959.60, 96,025.80 and 40,631.60 is: 61,002.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,959.60 : 96,025.80 = 40,631.60 : x
  2. Step 2: Convert to fraction form
    63,959.60/96,025.80 = 40,631.60/x
  3. Step 3: Cross multiply
    63,959.60x = 96,025.80 × 40,631.60
  4. Step 4: Simplify right side
    63,959.60x = 3,901,681,895.28
  5. Step 5: Solve for x
    x = 3,901,681,895.28/63,959.60
  6. Step 6: Final answer
    x = 61,002.29

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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.