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Finding the Fourth Proportional to 57,754, 79,699.65 and 32,260.82

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Solution

The fourth proportional to 57,754, 79,699.65 and 32,260.82 is: 44,519.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,754 : 79,699.65 = 32,260.82 : x
  2. Step 2: Convert to fraction form
    57,754/79,699.65 = 32,260.82/x
  3. Step 3: Cross multiply
    57,754x = 79,699.65 × 32,260.82
  4. Step 4: Simplify right side
    57,754x = 2,571,176,062.71
  5. Step 5: Solve for x
    x = 2,571,176,062.71/57,754
  6. Step 6: Final answer
    x = 44,519.45

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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.