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Finding the Fourth Proportional to 51,490.60, 77,235.08 and 37,539.16

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Solution

The fourth proportional to 51,490.60, 77,235.08 and 37,539.16 is: 56,308.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,490.60 : 77,235.08 = 37,539.16 : x
  2. Step 2: Convert to fraction form
    51,490.60/77,235.08 = 37,539.16/x
  3. Step 3: Cross multiply
    51,490.60x = 77,235.08 × 37,539.16
  4. Step 4: Simplify right side
    51,490.60x = 2,899,340,025.73
  5. Step 5: Solve for x
    x = 2,899,340,025.73/51,490.60
  6. Step 6: Final answer
    x = 56,308.14

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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.