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Finding the Fourth Proportional to 57,250.60, 85,875.90 and 31,006.60

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Solution

The fourth proportional to 57,250.60, 85,875.90 and 31,006.60 is: 46,509.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,250.60 : 85,875.90 = 31,006.60 : x
  2. Step 2: Convert to fraction form
    57,250.60/85,875.90 = 31,006.60/x
  3. Step 3: Cross multiply
    57,250.60x = 85,875.90 × 31,006.60
  4. Step 4: Simplify right side
    57,250.60x = 2,662,719,680.94
  5. Step 5: Solve for x
    x = 2,662,719,680.94/57,250.60
  6. Step 6: Final answer
    x = 46,509.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.