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Finding the Fourth Proportional to 58,863.74, 88,351.10 and 21,459.96

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Solution

The fourth proportional to 58,863.74, 88,351.10 and 21,459.96 is: 32,210.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,863.74 : 88,351.10 = 21,459.96 : x
  2. Step 2: Convert to fraction form
    58,863.74/88,351.10 = 21,459.96/x
  3. Step 3: Cross multiply
    58,863.74x = 88,351.10 × 21,459.96
  4. Step 4: Simplify right side
    58,863.74x = 1,896,010,964.66
  5. Step 5: Solve for x
    x = 1,896,010,964.66/58,863.74
  6. Step 6: Final answer
    x = 32,210.17

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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.