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Finding the Fourth Proportional to 58,074.80, 86,891.91 and 34,395.02

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Solution

The fourth proportional to 58,074.80, 86,891.91 and 34,395.02 is: 51,462.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,074.80 : 86,891.91 = 34,395.02 : x
  2. Step 2: Convert to fraction form
    58,074.80/86,891.91 = 34,395.02/x
  3. Step 3: Cross multiply
    58,074.80x = 86,891.91 × 34,395.02
  4. Step 4: Simplify right side
    58,074.80x = 2,988,648,982.29
  5. Step 5: Solve for x
    x = 2,988,648,982.29/58,074.80
  6. Step 6: Final answer
    x = 51,462.06

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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.