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Finding the Fourth Proportional to 41,124.78, 61,687.53 and 9,960.06

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Solution

The fourth proportional to 41,124.78, 61,687.53 and 9,960.06 is: 14,940.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,124.78 : 61,687.53 = 9,960.06 : x
  2. Step 2: Convert to fraction form
    41,124.78/61,687.53 = 9,960.06/x
  3. Step 3: Cross multiply
    41,124.78x = 61,687.53 × 9,960.06
  4. Step 4: Simplify right side
    41,124.78x = 614,411,500.05
  5. Step 5: Solve for x
    x = 614,411,500.05/41,124.78
  6. Step 6: Final answer
    x = 14,940.18

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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.