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Finding the Fourth Proportional to 15,898.34, 23,851.11 and 8,498.90

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Solution

The fourth proportional to 15,898.34, 23,851.11 and 8,498.90 is: 12,750.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,898.34 : 23,851.11 = 8,498.90 : x
  2. Step 2: Convert to fraction form
    15,898.34/23,851.11 = 8,498.90/x
  3. Step 3: Cross multiply
    15,898.34x = 23,851.11 × 8,498.90
  4. Step 4: Simplify right side
    15,898.34x = 202,708,198.78
  5. Step 5: Solve for x
    x = 202,708,198.78/15,898.34
  6. Step 6: Final answer
    x = 12,750.27

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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.