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Finding the Fourth Proportional to 64,488.42, 88,922.12 and 41,797.62

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Solution

The fourth proportional to 64,488.42, 88,922.12 and 41,797.62 is: 57,634.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,488.42 : 88,922.12 = 41,797.62 : x
  2. Step 2: Convert to fraction form
    64,488.42/88,922.12 = 41,797.62/x
  3. Step 3: Cross multiply
    64,488.42x = 88,922.12 × 41,797.62
  4. Step 4: Simplify right side
    64,488.42x = 3,716,732,981.35
  5. Step 5: Solve for x
    x = 3,716,732,981.35/64,488.42
  6. Step 6: Final answer
    x = 57,634.11

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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.