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Finding the Fourth Proportional to 15,800.90, 23,697.03 and 5,939.42

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Solution

The fourth proportional to 15,800.90, 23,697.03 and 5,939.42 is: 8,907.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,800.90 : 23,697.03 = 5,939.42 : x
  2. Step 2: Convert to fraction form
    15,800.90/23,697.03 = 5,939.42/x
  3. Step 3: Cross multiply
    15,800.90x = 23,697.03 × 5,939.42
  4. Step 4: Simplify right side
    15,800.90x = 140,746,613.92
  5. Step 5: Solve for x
    x = 140,746,613.92/15,800.90
  6. Step 6: Final answer
    x = 8,907.51

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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.