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Finding the Fourth Proportional to 64,338.74, 88,782.98 and 35,658.12

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Solution

The fourth proportional to 64,338.74, 88,782.98 and 35,658.12 is: 49,205.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,338.74 : 88,782.98 = 35,658.12 : x
  2. Step 2: Convert to fraction form
    64,338.74/88,782.98 = 35,658.12/x
  3. Step 3: Cross multiply
    64,338.74x = 88,782.98 × 35,658.12
  4. Step 4: Simplify right side
    64,338.74x = 3,165,834,154.80
  5. Step 5: Solve for x
    x = 3,165,834,154.80/64,338.74
  6. Step 6: Final answer
    x = 49,205.72

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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.