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Finding the Fourth Proportional to 62,617.36, 86,423.04 and 47,484.52

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Solution

The fourth proportional to 62,617.36, 86,423.04 and 47,484.52 is: 65,537.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,617.36 : 86,423.04 = 47,484.52 : x
  2. Step 2: Convert to fraction form
    62,617.36/86,423.04 = 47,484.52/x
  3. Step 3: Cross multiply
    62,617.36x = 86,423.04 × 47,484.52
  4. Step 4: Simplify right side
    62,617.36x = 4,103,756,571.34
  5. Step 5: Solve for x
    x = 4,103,756,571.34/62,617.36
  6. Step 6: Final answer
    x = 65,537.04

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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.