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Finding the Fourth Proportional to 41,643.66, 57,468.15 and 22,780.74

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Solution

The fourth proportional to 41,643.66, 57,468.15 and 22,780.74 is: 31,437.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,643.66 : 57,468.15 = 22,780.74 : x
  2. Step 2: Convert to fraction form
    41,643.66/57,468.15 = 22,780.74/x
  3. Step 3: Cross multiply
    41,643.66x = 57,468.15 × 22,780.74
  4. Step 4: Simplify right side
    41,643.66x = 1,309,166,983.43
  5. Step 5: Solve for x
    x = 1,309,166,983.43/41,643.66
  6. Step 6: Final answer
    x = 31,437.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.