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Finding the Fourth Proportional to 17,898.78, 24,701.43 and 10,825.50

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Solution

The fourth proportional to 17,898.78, 24,701.43 and 10,825.50 is: 14,939.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,898.78 : 24,701.43 = 10,825.50 : x
  2. Step 2: Convert to fraction form
    17,898.78/24,701.43 = 10,825.50/x
  3. Step 3: Cross multiply
    17,898.78x = 24,701.43 × 10,825.50
  4. Step 4: Simplify right side
    17,898.78x = 267,405,330.47
  5. Step 5: Solve for x
    x = 267,405,330.47/17,898.78
  6. Step 6: Final answer
    x = 14,939.86

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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.