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Finding the Fourth Proportional to 58,705.36, 88,092.60 and 21,795.28

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Solution

The fourth proportional to 58,705.36, 88,092.60 and 21,795.28 is: 32,705.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,705.36 : 88,092.60 = 21,795.28 : x
  2. Step 2: Convert to fraction form
    58,705.36/88,092.60 = 21,795.28/x
  3. Step 3: Cross multiply
    58,705.36x = 88,092.60 × 21,795.28
  4. Step 4: Simplify right side
    58,705.36x = 1,920,002,882.93
  5. Step 5: Solve for x
    x = 1,920,002,882.93/58,705.36
  6. Step 6: Final answer
    x = 32,705.75

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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.