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Finding the Fourth Proportional to 15,046.88, 22,571.88 and 5,184.96

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Solution

The fourth proportional to 15,046.88, 22,571.88 and 5,184.96 is: 7,777.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,046.88 : 22,571.88 = 5,184.96 : x
  2. Step 2: Convert to fraction form
    15,046.88/22,571.88 = 5,184.96/x
  3. Step 3: Cross multiply
    15,046.88x = 22,571.88 × 5,184.96
  4. Step 4: Simplify right side
    15,046.88x = 117,034,294.92
  5. Step 5: Solve for x
    x = 117,034,294.92/15,046.88
  6. Step 6: Final answer
    x = 7,777.98

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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.