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Finding the Fourth Proportional to 15,266.40, 22,903.65 and 5,404.65

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Solution

The fourth proportional to 15,266.40, 22,903.65 and 5,404.65 is: 8,108.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,266.40 : 22,903.65 = 5,404.65 : x
  2. Step 2: Convert to fraction form
    15,266.40/22,903.65 = 5,404.65/x
  3. Step 3: Cross multiply
    15,266.40x = 22,903.65 × 5,404.65
  4. Step 4: Simplify right side
    15,266.40x = 123,786,211.97
  5. Step 5: Solve for x
    x = 123,786,211.97/15,266.40
  6. Step 6: Final answer
    x = 8,108.41

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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.