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Finding the Fourth Proportional to 58,230.62, 87,345.12 and 33,217.28

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Solution

The fourth proportional to 58,230.62, 87,345.12 and 33,217.28 is: 49,825.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,230.62 : 87,345.12 = 33,217.28 : x
  2. Step 2: Convert to fraction form
    58,230.62/87,345.12 = 33,217.28/x
  3. Step 3: Cross multiply
    58,230.62x = 87,345.12 × 33,217.28
  4. Step 4: Simplify right side
    58,230.62x = 2,901,367,307.67
  5. Step 5: Solve for x
    x = 2,901,367,307.67/58,230.62
  6. Step 6: Final answer
    x = 49,825.46

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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.