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Finding the Fourth Proportional to 37,073.60, 55,610.40 and 13,695.20

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Solution

The fourth proportional to 37,073.60, 55,610.40 and 13,695.20 is: 20,542.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,073.60 : 55,610.40 = 13,695.20 : x
  2. Step 2: Convert to fraction form
    37,073.60/55,610.40 = 13,695.20/x
  3. Step 3: Cross multiply
    37,073.60x = 55,610.40 × 13,695.20
  4. Step 4: Simplify right side
    37,073.60x = 761,595,550.08
  5. Step 5: Solve for x
    x = 761,595,550.08/37,073.60
  6. Step 6: Final answer
    x = 20,542.80

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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.