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Finding the Fourth Proportional to 58,585.74, 87,909.59 and 31,950.91

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Solution

The fourth proportional to 58,585.74, 87,909.59 and 31,950.91 is: 47,943.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,585.74 : 87,909.59 = 31,950.91 : x
  2. Step 2: Convert to fraction form
    58,585.74/87,909.59 = 31,950.91/x
  3. Step 3: Cross multiply
    58,585.74x = 87,909.59 × 31,950.91
  4. Step 4: Simplify right side
    58,585.74x = 2,808,791,398.23
  5. Step 5: Solve for x
    x = 2,808,791,398.23/58,585.74
  6. Step 6: Final answer
    x = 47,943.26

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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.