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Finding the Fourth Proportional to 40,488.53, 60,725.89 and 10,899.77

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Solution

The fourth proportional to 40,488.53, 60,725.89 and 10,899.77 is: 16,347.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,488.53 : 60,725.89 = 10,899.77 : x
  2. Step 2: Convert to fraction form
    40,488.53/60,725.89 = 10,899.77/x
  3. Step 3: Cross multiply
    40,488.53x = 60,725.89 × 10,899.77
  4. Step 4: Simplify right side
    40,488.53x = 661,898,234.05
  5. Step 5: Solve for x
    x = 661,898,234.05/40,488.53
  6. Step 6: Final answer
    x = 16,347.80

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1.5x scale

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.