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Finding the Fourth Proportional to 15,284.20, 22,877.70 and 10,910.20

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Solution

The fourth proportional to 15,284.20, 22,877.70 and 10,910.20 is: 16,330.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,284.20 : 22,877.70 = 10,910.20 : x
  2. Step 2: Convert to fraction form
    15,284.20/22,877.70 = 10,910.20/x
  3. Step 3: Cross multiply
    15,284.20x = 22,877.70 × 10,910.20
  4. Step 4: Simplify right side
    15,284.20x = 249,600,282.54
  5. Step 5: Solve for x
    x = 249,600,282.54/15,284.20
  6. Step 6: Final answer
    x = 16,330.61

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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.