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Finding the Fourth Proportional to 37,772.80, 56,659.20 and 37,542.40

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Solution

The fourth proportional to 37,772.80, 56,659.20 and 37,542.40 is: 56,313.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,772.80 : 56,659.20 = 37,542.40 : x
  2. Step 2: Convert to fraction form
    37,772.80/56,659.20 = 37,542.40/x
  3. Step 3: Cross multiply
    37,772.80x = 56,659.20 × 37,542.40
  4. Step 4: Simplify right side
    37,772.80x = 2,127,122,350.08
  5. Step 5: Solve for x
    x = 2,127,122,350.08/37,772.80
  6. Step 6: Final answer
    x = 56,313.60

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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.