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Finding the Fourth Proportional to 29,463.98, 40,659.87 and 16,215.98

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Solution

The fourth proportional to 29,463.98, 40,659.87 and 16,215.98 is: 22,377.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,463.98 : 40,659.87 = 16,215.98 : x
  2. Step 2: Convert to fraction form
    29,463.98/40,659.87 = 16,215.98/x
  3. Step 3: Cross multiply
    29,463.98x = 40,659.87 × 16,215.98
  4. Step 4: Simplify right side
    29,463.98x = 659,339,638.72
  5. Step 5: Solve for x
    x = 659,339,638.72/29,463.98
  6. Step 6: Final answer
    x = 22,377.82

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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.