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Finding the Fourth Proportional to 8,536.20, 12,809.70 and 5,026.20

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Solution

The fourth proportional to 8,536.20, 12,809.70 and 5,026.20 is: 7,542.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,536.20 : 12,809.70 = 5,026.20 : x
  2. Step 2: Convert to fraction form
    8,536.20/12,809.70 = 5,026.20/x
  3. Step 3: Cross multiply
    8,536.20x = 12,809.70 × 5,026.20
  4. Step 4: Simplify right side
    8,536.20x = 64,384,114.14
  5. Step 5: Solve for x
    x = 64,384,114.14/8,536.20
  6. Step 6: Final answer
    x = 7,542.48

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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.