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Finding the Fourth Proportional to 58,692.17, 88,045.10 and 21,269.87

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Solution

The fourth proportional to 58,692.17, 88,045.10 and 21,269.87 is: 31,907.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,692.17 : 88,045.10 = 21,269.87 : x
  2. Step 2: Convert to fraction form
    58,692.17/88,045.10 = 21,269.87/x
  3. Step 3: Cross multiply
    58,692.17x = 88,045.10 × 21,269.87
  4. Step 4: Simplify right side
    58,692.17x = 1,872,707,284.56
  5. Step 5: Solve for x
    x = 1,872,707,284.56/58,692.17
  6. Step 6: Final answer
    x = 31,907.28

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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.