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Finding the Fourth Proportional to 6,799.79, 9,355.61 and 5,512.19

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Solution

The fourth proportional to 6,799.79, 9,355.61 and 5,512.19 is: 7,584.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,799.79 : 9,355.61 = 5,512.19 : x
  2. Step 2: Convert to fraction form
    6,799.79/9,355.61 = 5,512.19/x
  3. Step 3: Cross multiply
    6,799.79x = 9,355.61 × 5,512.19
  4. Step 4: Simplify right side
    6,799.79x = 51,569,899.89
  5. Step 5: Solve for x
    x = 51,569,899.89/6,799.79
  6. Step 6: Final answer
    x = 7,584.04

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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.