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Finding the Fourth Proportional to 58,754, 88,131 and 14,978

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Solution

The fourth proportional to 58,754, 88,131 and 14,978 is: 22,467

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,754 : 88,131 = 14,978 : x
  2. Step 2: Convert to fraction form
    58,754/88,131 = 14,978/x
  3. Step 3: Cross multiply
    58,754x = 88,131 × 14,978
  4. Step 4: Simplify right side
    58,754x = 1,320,026,118
  5. Step 5: Solve for x
    x = 1,320,026,118/58,754
  6. Step 6: Final answer
    x = 22,467

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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.