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Finding the Fourth Proportional to 31,750.65, 47,616.25 and 21,952.89

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Solution

The fourth proportional to 31,750.65, 47,616.25 and 21,952.89 is: 32,922.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,750.65 : 47,616.25 = 21,952.89 : x
  2. Step 2: Convert to fraction form
    31,750.65/47,616.25 = 21,952.89/x
  3. Step 3: Cross multiply
    31,750.65x = 47,616.25 × 21,952.89
  4. Step 4: Simplify right side
    31,750.65x = 1,045,314,298.46
  5. Step 5: Solve for x
    x = 1,045,314,298.46/31,750.65
  6. Step 6: Final answer
    x = 32,922.61

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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.