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Finding the Fourth Proportional to 37,810.60, 56,691.60 and 15,632.80

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Solution

The fourth proportional to 37,810.60, 56,691.60 and 15,632.80 is: 23,439.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,810.60 : 56,691.60 = 15,632.80 : x
  2. Step 2: Convert to fraction form
    37,810.60/56,691.60 = 15,632.80/x
  3. Step 3: Cross multiply
    37,810.60x = 56,691.60 × 15,632.80
  4. Step 4: Simplify right side
    37,810.60x = 886,248,444.48
  5. Step 5: Solve for x
    x = 886,248,444.48/37,810.60
  6. Step 6: Final answer
    x = 23,439.15

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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.