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Finding the Fourth Proportional to 62,707.52, 94,064.16 and 15,960.80

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Solution

The fourth proportional to 62,707.52, 94,064.16 and 15,960.80 is: 23,941.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,707.52 : 94,064.16 = 15,960.80 : x
  2. Step 2: Convert to fraction form
    62,707.52/94,064.16 = 15,960.80/x
  3. Step 3: Cross multiply
    62,707.52x = 94,064.16 × 15,960.80
  4. Step 4: Simplify right side
    62,707.52x = 1,501,339,244.93
  5. Step 5: Solve for x
    x = 1,501,339,244.93/62,707.52
  6. Step 6: Final answer
    x = 23,941.93

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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.