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Finding the Fourth Proportional to 58,574.92, 80,834.06 and 31,718.04

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Solution

The fourth proportional to 58,574.92, 80,834.06 and 31,718.04 is: 43,771.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,574.92 : 80,834.06 = 31,718.04 : x
  2. Step 2: Convert to fraction form
    58,574.92/80,834.06 = 31,718.04/x
  3. Step 3: Cross multiply
    58,574.92x = 80,834.06 × 31,718.04
  4. Step 4: Simplify right side
    58,574.92x = 2,563,897,948.44
  5. Step 5: Solve for x
    x = 2,563,897,948.44/58,574.92
  6. Step 6: Final answer
    x = 43,771.26

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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.