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Finding the Fourth Proportional to 60,489.59, 90,734.18 and 15,510.89

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Solution

The fourth proportional to 60,489.59, 90,734.18 and 15,510.89 is: 23,266.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,489.59 : 90,734.18 = 15,510.89 : x
  2. Step 2: Convert to fraction form
    60,489.59/90,734.18 = 15,510.89/x
  3. Step 3: Cross multiply
    60,489.59x = 90,734.18 × 15,510.89
  4. Step 4: Simplify right side
    60,489.59x = 1,407,368,034.50
  5. Step 5: Solve for x
    x = 1,407,368,034.50/60,489.59
  6. Step 6: Final answer
    x = 23,266.29

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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.