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Finding the Fourth Proportional to 60,314.57, 90,475.05 and 15,940.12

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Solution

The fourth proportional to 60,314.57, 90,475.05 and 15,940.12 is: 23,911.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,314.57 : 90,475.05 = 15,940.12 : x
  2. Step 2: Convert to fraction form
    60,314.57/90,475.05 = 15,940.12/x
  3. Step 3: Cross multiply
    60,314.57x = 90,475.05 × 15,940.12
  4. Step 4: Simplify right side
    60,314.57x = 1,442,182,857.94
  5. Step 5: Solve for x
    x = 1,442,182,857.94/60,314.57
  6. Step 6: Final answer
    x = 23,911.02

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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.