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Finding the Fourth Proportional to 58,575.86, 80,831.49 and 34,704.74

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Solution

The fourth proportional to 58,575.86, 80,831.49 and 34,704.74 is: 47,890.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,575.86 : 80,831.49 = 34,704.74 : x
  2. Step 2: Convert to fraction form
    58,575.86/80,831.49 = 34,704.74/x
  3. Step 3: Cross multiply
    58,575.86x = 80,831.49 × 34,704.74
  4. Step 4: Simplify right side
    58,575.86x = 2,805,235,844.26
  5. Step 5: Solve for x
    x = 2,805,235,844.26/58,575.86
  6. Step 6: Final answer
    x = 47,890.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.