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Finding the Fourth Proportional to 58,791.60, 88,186.54 and 14,418.69

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Solution

The fourth proportional to 58,791.60, 88,186.54 and 14,418.69 is: 21,627.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,791.60 : 88,186.54 = 14,418.69 : x
  2. Step 2: Convert to fraction form
    58,791.60/88,186.54 = 14,418.69/x
  3. Step 3: Cross multiply
    58,791.60x = 88,186.54 × 14,418.69
  4. Step 4: Simplify right side
    58,791.60x = 1,271,534,382.43
  5. Step 5: Solve for x
    x = 1,271,534,382.43/58,791.60
  6. Step 6: Final answer
    x = 21,627.82

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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.