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Finding the Fourth Proportional to 58,874.40, 88,325.91 and 19,429.56

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Solution

The fourth proportional to 58,874.40, 88,325.91 and 19,429.56 is: 29,149.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,874.40 : 88,325.91 = 19,429.56 : x
  2. Step 2: Convert to fraction form
    58,874.40/88,325.91 = 19,429.56/x
  3. Step 3: Cross multiply
    58,874.40x = 88,325.91 × 19,429.56
  4. Step 4: Simplify right side
    58,874.40x = 1,716,133,567.90
  5. Step 5: Solve for x
    x = 1,716,133,567.90/58,874.40
  6. Step 6: Final answer
    x = 29,149.06

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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.