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Finding the Fourth Proportional to 62,616.57, 86,423.93 and 57,572.82

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Solution

The fourth proportional to 62,616.57, 86,423.93 and 57,572.82 is: 79,462.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,616.57 : 86,423.93 = 57,572.82 : x
  2. Step 2: Convert to fraction form
    62,616.57/86,423.93 = 57,572.82/x
  3. Step 3: Cross multiply
    62,616.57x = 86,423.93 × 57,572.82
  4. Step 4: Simplify right side
    62,616.57x = 4,975,669,077.72
  5. Step 5: Solve for x
    x = 4,975,669,077.72/62,616.57
  6. Step 6: Final answer
    x = 79,462.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.