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Finding the Fourth Proportional to 24,343.50, 36,515.25 and 7,927.50

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Solution

The fourth proportional to 24,343.50, 36,515.25 and 7,927.50 is: 11,891.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,343.50 : 36,515.25 = 7,927.50 : x
  2. Step 2: Convert to fraction form
    24,343.50/36,515.25 = 7,927.50/x
  3. Step 3: Cross multiply
    24,343.50x = 36,515.25 × 7,927.50
  4. Step 4: Simplify right side
    24,343.50x = 289,474,644.38
  5. Step 5: Solve for x
    x = 289,474,644.38/24,343.50
  6. Step 6: Final answer
    x = 11,891.25

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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.