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Finding the Fourth Proportional to 15,253.20, 22,879.80 and 14,329.80

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Solution

The fourth proportional to 15,253.20, 22,879.80 and 14,329.80 is: 21,494.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,253.20 : 22,879.80 = 14,329.80 : x
  2. Step 2: Convert to fraction form
    15,253.20/22,879.80 = 14,329.80/x
  3. Step 3: Cross multiply
    15,253.20x = 22,879.80 × 14,329.80
  4. Step 4: Simplify right side
    15,253.20x = 327,862,958.04
  5. Step 5: Solve for x
    x = 327,862,958.04/15,253.20
  6. Step 6: Final answer
    x = 21,494.70

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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.