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Finding the Fourth Proportional to 41,437.80, 62,129.03 and 12,965.11

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Solution

The fourth proportional to 41,437.80, 62,129.03 and 12,965.11 is: 19,439.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,437.80 : 62,129.03 = 12,965.11 : x
  2. Step 2: Convert to fraction form
    41,437.80/62,129.03 = 12,965.11/x
  3. Step 3: Cross multiply
    41,437.80x = 62,129.03 × 12,965.11
  4. Step 4: Simplify right side
    41,437.80x = 805,509,837.47
  5. Step 5: Solve for x
    x = 805,509,837.47/41,437.80
  6. Step 6: Final answer
    x = 19,439.01

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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.