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Finding the Fourth Proportional to 58,881.30, 88,309.49 and 19,429.04

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Solution

The fourth proportional to 58,881.30, 88,309.49 and 19,429.04 is: 29,139.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,881.30 : 88,309.49 = 19,429.04 : x
  2. Step 2: Convert to fraction form
    58,881.30/88,309.49 = 19,429.04/x
  3. Step 3: Cross multiply
    58,881.30x = 88,309.49 × 19,429.04
  4. Step 4: Simplify right side
    58,881.30x = 1,715,768,074.90
  5. Step 5: Solve for x
    x = 1,715,768,074.90/58,881.30
  6. Step 6: Final answer
    x = 29,139.44

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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.