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Finding the Fourth Proportional to 15,868.20, 23,803.31 and 5,337.39

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Solution

The fourth proportional to 15,868.20, 23,803.31 and 5,337.39 is: 8,006.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,868.20 : 23,803.31 = 5,337.39 : x
  2. Step 2: Convert to fraction form
    15,868.20/23,803.31 = 5,337.39/x
  3. Step 3: Cross multiply
    15,868.20x = 23,803.31 × 5,337.39
  4. Step 4: Simplify right side
    15,868.20x = 127,047,522.07
  5. Step 5: Solve for x
    x = 127,047,522.07/15,868.20
  6. Step 6: Final answer
    x = 8,006.42

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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.