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Finding the Fourth Proportional to 58,965.68, 88,448.09 and 35,279.78

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Solution

The fourth proportional to 58,965.68, 88,448.09 and 35,279.78 is: 52,919.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,965.68 : 88,448.09 = 35,279.78 : x
  2. Step 2: Convert to fraction form
    58,965.68/88,448.09 = 35,279.78/x
  3. Step 3: Cross multiply
    58,965.68x = 88,448.09 × 35,279.78
  4. Step 4: Simplify right side
    58,965.68x = 3,120,429,495.29
  5. Step 5: Solve for x
    x = 3,120,429,495.29/58,965.68
  6. Step 6: Final answer
    x = 52,919.42

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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.