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Finding the Fourth Proportional to 15,245.42, 22,851.72 and 9,963.81

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Solution

The fourth proportional to 15,245.42, 22,851.72 and 9,963.81 is: 14,934.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,245.42 : 22,851.72 = 9,963.81 : x
  2. Step 2: Convert to fraction form
    15,245.42/22,851.72 = 9,963.81/x
  3. Step 3: Cross multiply
    15,245.42x = 22,851.72 × 9,963.81
  4. Step 4: Simplify right side
    15,245.42x = 227,690,196.25
  5. Step 5: Solve for x
    x = 227,690,196.25/15,245.42
  6. Step 6: Final answer
    x = 14,934.99

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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.