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Finding the Fourth Proportional to 64,492.52, 89,008.08 and 36,198.24

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Solution

The fourth proportional to 64,492.52, 89,008.08 and 36,198.24 is: 49,958.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,492.52 : 89,008.08 = 36,198.24 : x
  2. Step 2: Convert to fraction form
    64,492.52/89,008.08 = 36,198.24/x
  3. Step 3: Cross multiply
    64,492.52x = 89,008.08 × 36,198.24
  4. Step 4: Simplify right side
    64,492.52x = 3,221,935,841.78
  5. Step 5: Solve for x
    x = 3,221,935,841.78/64,492.52
  6. Step 6: Final answer
    x = 49,958.29

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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.