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Finding the Fourth Proportional to 52,649.52, 72,661.02 and 29,983.56

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Solution

The fourth proportional to 52,649.52, 72,661.02 and 29,983.56 is: 41,379.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,649.52 : 72,661.02 = 29,983.56 : x
  2. Step 2: Convert to fraction form
    52,649.52/72,661.02 = 29,983.56/x
  3. Step 3: Cross multiply
    52,649.52x = 72,661.02 × 29,983.56
  4. Step 4: Simplify right side
    52,649.52x = 2,178,636,052.83
  5. Step 5: Solve for x
    x = 2,178,636,052.83/52,649.52
  6. Step 6: Final answer
    x = 41,379.98

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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.