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Finding the Fourth Proportional to 7,798.68, 11,699.85 and 5,334.66

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Solution

The fourth proportional to 7,798.68, 11,699.85 and 5,334.66 is: 8,003.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,798.68 : 11,699.85 = 5,334.66 : x
  2. Step 2: Convert to fraction form
    7,798.68/11,699.85 = 5,334.66/x
  3. Step 3: Cross multiply
    7,798.68x = 11,699.85 × 5,334.66
  4. Step 4: Simplify right side
    7,798.68x = 62,414,721.80
  5. Step 5: Solve for x
    x = 62,414,721.80/7,798.68
  6. Step 6: Final answer
    x = 8,003.24

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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.