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Finding the Fourth Proportional to 41,131.56, 61,697.34 and 9,966.81

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Solution

The fourth proportional to 41,131.56, 61,697.34 and 9,966.81 is: 14,950.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,131.56 : 61,697.34 = 9,966.81 : x
  2. Step 2: Convert to fraction form
    41,131.56/61,697.34 = 9,966.81/x
  3. Step 3: Cross multiply
    41,131.56x = 61,697.34 × 9,966.81
  4. Step 4: Simplify right side
    41,131.56x = 614,925,665.29
  5. Step 5: Solve for x
    x = 614,925,665.29/41,131.56
  6. Step 6: Final answer
    x = 14,950.22

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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.