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Finding the Fourth Proportional to 37,240.60, 55,860.90 and 13,862.20

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Solution

The fourth proportional to 37,240.60, 55,860.90 and 13,862.20 is: 20,793.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,240.60 : 55,860.90 = 13,862.20 : x
  2. Step 2: Convert to fraction form
    37,240.60/55,860.90 = 13,862.20/x
  3. Step 3: Cross multiply
    37,240.60x = 55,860.90 × 13,862.20
  4. Step 4: Simplify right side
    37,240.60x = 774,354,967.98
  5. Step 5: Solve for x
    x = 774,354,967.98/37,240.60
  6. Step 6: Final answer
    x = 20,793.30

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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.