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Finding the Fourth Proportional to 62,565.36, 86,311.32 and 36,054

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Solution

The fourth proportional to 62,565.36, 86,311.32 and 36,054 is: 49,737.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,565.36 : 86,311.32 = 36,054 : x
  2. Step 2: Convert to fraction form
    62,565.36/86,311.32 = 36,054/x
  3. Step 3: Cross multiply
    62,565.36x = 86,311.32 × 36,054
  4. Step 4: Simplify right side
    62,565.36x = 3,111,868,331.28
  5. Step 5: Solve for x
    x = 3,111,868,331.28/62,565.36
  6. Step 6: Final answer
    x = 49,737.88

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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.