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Finding the Fourth Proportional to 62,484.77, 86,139.28 and 44,548.64

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Solution

The fourth proportional to 62,484.77, 86,139.28 and 44,548.64 is: 61,413.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,484.77 : 86,139.28 = 44,548.64 : x
  2. Step 2: Convert to fraction form
    62,484.77/86,139.28 = 44,548.64/x
  3. Step 3: Cross multiply
    62,484.77x = 86,139.28 × 44,548.64
  4. Step 4: Simplify right side
    62,484.77x = 3,837,387,774.58
  5. Step 5: Solve for x
    x = 3,837,387,774.58/62,484.77
  6. Step 6: Final answer
    x = 61,413.17

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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.