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Finding the Fourth Proportional to 37,600.60, 56,400.90 and 31,034.20

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Solution

The fourth proportional to 37,600.60, 56,400.90 and 31,034.20 is: 46,551.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,600.60 : 56,400.90 = 31,034.20 : x
  2. Step 2: Convert to fraction form
    37,600.60/56,400.90 = 31,034.20/x
  3. Step 3: Cross multiply
    37,600.60x = 56,400.90 × 31,034.20
  4. Step 4: Simplify right side
    37,600.60x = 1,750,356,810.78
  5. Step 5: Solve for x
    x = 1,750,356,810.78/37,600.60
  6. Step 6: Final answer
    x = 46,551.30

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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.