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Finding the Fourth Proportional to 64,402.99, 88,876.10 and 39,252.49

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Solution

The fourth proportional to 64,402.99, 88,876.10 and 39,252.49 is: 54,168.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,402.99 : 88,876.10 = 39,252.49 : x
  2. Step 2: Convert to fraction form
    64,402.99/88,876.10 = 39,252.49/x
  3. Step 3: Cross multiply
    64,402.99x = 88,876.10 × 39,252.49
  4. Step 4: Simplify right side
    64,402.99x = 3,488,608,226.49
  5. Step 5: Solve for x
    x = 3,488,608,226.49/64,402.99
  6. Step 6: Final answer
    x = 54,168.42

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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.