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Finding the Fourth Proportional to 58,792.66, 81,134.02 and 31,934.95

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Solution

The fourth proportional to 58,792.66, 81,134.02 and 31,934.95 is: 44,070.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,792.66 : 81,134.02 = 31,934.95 : x
  2. Step 2: Convert to fraction form
    58,792.66/81,134.02 = 31,934.95/x
  3. Step 3: Cross multiply
    58,792.66x = 81,134.02 × 31,934.95
  4. Step 4: Simplify right side
    58,792.66x = 2,591,010,709.08
  5. Step 5: Solve for x
    x = 2,591,010,709.08/58,792.66
  6. Step 6: Final answer
    x = 44,070.31

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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.