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Finding the Fourth Proportional to 64,401.99, 88,874.72 and 39,251.49

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Solution

The fourth proportional to 64,401.99, 88,874.72 and 39,251.49 is: 54,167.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,401.99 : 88,874.72 = 39,251.49 : x
  2. Step 2: Convert to fraction form
    64,401.99/88,874.72 = 39,251.49/x
  3. Step 3: Cross multiply
    64,401.99x = 88,874.72 × 39,251.49
  4. Step 4: Simplify right side
    64,401.99x = 3,488,464,800.99
  5. Step 5: Solve for x
    x = 3,488,464,800.99/64,401.99
  6. Step 6: Final answer
    x = 54,167.04

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1.5x scale

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.