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Finding the Fourth Proportional to 58,175.31, 87,222.27 and 29,721.08

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Solution

The fourth proportional to 58,175.31, 87,222.27 and 29,721.08 is: 44,560.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,175.31 : 87,222.27 = 29,721.08 : x
  2. Step 2: Convert to fraction form
    58,175.31/87,222.27 = 29,721.08/x
  3. Step 3: Cross multiply
    58,175.31x = 87,222.27 × 29,721.08
  4. Step 4: Simplify right side
    58,175.31x = 2,592,340,064.45
  5. Step 5: Solve for x
    x = 2,592,340,064.45/58,175.31
  6. Step 6: Final answer
    x = 44,560.83

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1.5x scale

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.