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Finding the Fourth Proportional to 58,565.81, 87,851.15 and 17,012.81

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Solution

The fourth proportional to 58,565.81, 87,851.15 and 17,012.81 is: 25,519.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,565.81 : 87,851.15 = 17,012.81 : x
  2. Step 2: Convert to fraction form
    58,565.81/87,851.15 = 17,012.81/x
  3. Step 3: Cross multiply
    58,565.81x = 87,851.15 × 17,012.81
  4. Step 4: Simplify right side
    58,565.81x = 1,494,595,121.59
  5. Step 5: Solve for x
    x = 1,494,595,121.59/58,565.81
  6. Step 6: Final answer
    x = 25,519.92

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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.