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Finding the Fourth Proportional to 58,510.77, 80,744.53 and 31,653.20

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Solution

The fourth proportional to 58,510.77, 80,744.53 and 31,653.20 is: 43,681.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,510.77 : 80,744.53 = 31,653.20 : x
  2. Step 2: Convert to fraction form
    58,510.77/80,744.53 = 31,653.20/x
  3. Step 3: Cross multiply
    58,510.77x = 80,744.53 × 31,653.20
  4. Step 4: Simplify right side
    58,510.77x = 2,555,822,757.00
  5. Step 5: Solve for x
    x = 2,555,822,757.00/58,510.77
  6. Step 6: Final answer
    x = 43,681.24

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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.