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Finding the Fourth Proportional to 15,218.20, 22,826.98 and 7,010.20

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Solution

The fourth proportional to 15,218.20, 22,826.98 and 7,010.20 is: 10,515.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,218.20 : 22,826.98 = 7,010.20 : x
  2. Step 2: Convert to fraction form
    15,218.20/22,826.98 = 7,010.20/x
  3. Step 3: Cross multiply
    15,218.20x = 22,826.98 × 7,010.20
  4. Step 4: Simplify right side
    15,218.20x = 160,021,695.20
  5. Step 5: Solve for x
    x = 160,021,695.20/15,218.20
  6. Step 6: Final answer
    x = 10,515.15

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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.