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Finding the Fourth Proportional to 56,694.60, 85,139.10 and 37,060.20

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Solution

The fourth proportional to 56,694.60, 85,139.10 and 37,060.20 is: 55,653.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,694.60 : 85,139.10 = 37,060.20 : x
  2. Step 2: Convert to fraction form
    56,694.60/85,139.10 = 37,060.20/x
  3. Step 3: Cross multiply
    56,694.60x = 85,139.10 × 37,060.20
  4. Step 4: Simplify right side
    56,694.60x = 3,155,272,073.82
  5. Step 5: Solve for x
    x = 3,155,272,073.82/56,694.60
  6. Step 6: Final answer
    x = 55,653.84

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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.