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Finding the Fourth Proportional to 8,500.88, 11,734.56 and 5,356.48

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Solution

The fourth proportional to 8,500.88, 11,734.56 and 5,356.48 is: 7,394.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,500.88 : 11,734.56 = 5,356.48 : x
  2. Step 2: Convert to fraction form
    8,500.88/11,734.56 = 5,356.48/x
  3. Step 3: Cross multiply
    8,500.88x = 11,734.56 × 5,356.48
  4. Step 4: Simplify right side
    8,500.88x = 62,855,935.95
  5. Step 5: Solve for x
    x = 62,855,935.95/8,500.88
  6. Step 6: Final answer
    x = 7,394.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.