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Finding the Fourth Proportional to 58,590.07, 87,871.16 and 25,291.91

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Solution

The fourth proportional to 58,590.07, 87,871.16 and 25,291.91 is: 37,931.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,590.07 : 87,871.16 = 25,291.91 : x
  2. Step 2: Convert to fraction form
    58,590.07/87,871.16 = 25,291.91/x
  3. Step 3: Cross multiply
    58,590.07x = 87,871.16 × 25,291.91
  4. Step 4: Simplify right side
    58,590.07x = 2,222,429,753.22
  5. Step 5: Solve for x
    x = 2,222,429,753.22/58,590.07
  6. Step 6: Final answer
    x = 37,931.85

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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.