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Finding the Fourth Proportional to 41,808.48, 62,712.72 and 10,643.64

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Solution

The fourth proportional to 41,808.48, 62,712.72 and 10,643.64 is: 15,965.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,808.48 : 62,712.72 = 10,643.64 : x
  2. Step 2: Convert to fraction form
    41,808.48/62,712.72 = 10,643.64/x
  3. Step 3: Cross multiply
    41,808.48x = 62,712.72 × 10,643.64
  4. Step 4: Simplify right side
    41,808.48x = 667,491,615.10
  5. Step 5: Solve for x
    x = 667,491,615.10/41,808.48
  6. Step 6: Final answer
    x = 15,965.46

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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.