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Finding the Fourth Proportional to 60,124.72, 90,191.04 and 15,752.56

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Solution

The fourth proportional to 60,124.72, 90,191.04 and 15,752.56 is: 23,629.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,124.72 : 90,191.04 = 15,752.56 : x
  2. Step 2: Convert to fraction form
    60,124.72/90,191.04 = 15,752.56/x
  3. Step 3: Cross multiply
    60,124.72x = 90,191.04 × 15,752.56
  4. Step 4: Simplify right side
    60,124.72x = 1,420,739,769.06
  5. Step 5: Solve for x
    x = 1,420,739,769.06/60,124.72
  6. Step 6: Final answer
    x = 23,629.88

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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.