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Finding the Fourth Proportional to 40,502.49, 60,748.12 and 10,922.10

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Solution

The fourth proportional to 40,502.49, 60,748.12 and 10,922.10 is: 16,381.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,502.49 : 60,748.12 = 10,922.10 : x
  2. Step 2: Convert to fraction form
    40,502.49/60,748.12 = 10,922.10/x
  3. Step 3: Cross multiply
    40,502.49x = 60,748.12 × 10,922.10
  4. Step 4: Simplify right side
    40,502.49x = 663,497,041.45
  5. Step 5: Solve for x
    x = 663,497,041.45/40,502.49
  6. Step 6: Final answer
    x = 16,381.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.