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Finding the Fourth Proportional to 58,716.50, 88,083.92 and 19,264.64

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Solution

The fourth proportional to 58,716.50, 88,083.92 and 19,264.64 is: 28,899.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,716.50 : 88,083.92 = 19,264.64 : x
  2. Step 2: Convert to fraction form
    58,716.50/88,083.92 = 19,264.64/x
  3. Step 3: Cross multiply
    58,716.50x = 88,083.92 × 19,264.64
  4. Step 4: Simplify right side
    58,716.50x = 1,696,904,616.33
  5. Step 5: Solve for x
    x = 1,696,904,616.33/58,716.50
  6. Step 6: Final answer
    x = 28,899.96

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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.