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Finding the Fourth Proportional to 64,479.01, 88,981.08 and 36,184.69

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Solution

The fourth proportional to 64,479.01, 88,981.08 and 36,184.69 is: 49,934.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,479.01 : 88,981.08 = 36,184.69 : x
  2. Step 2: Convert to fraction form
    64,479.01/88,981.08 = 36,184.69/x
  3. Step 3: Cross multiply
    64,479.01x = 88,981.08 × 36,184.69
  4. Step 4: Simplify right side
    64,479.01x = 3,219,752,614.74
  5. Step 5: Solve for x
    x = 3,219,752,614.74/64,479.01
  6. Step 6: Final answer
    x = 49,934.90

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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.