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Finding the Fourth Proportional to 4,354.80, 6,568.26 and 4,066.80

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Solution

The fourth proportional to 4,354.80, 6,568.26 and 4,066.80 is: 6,133.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,354.80 : 6,568.26 = 4,066.80 : x
  2. Step 2: Convert to fraction form
    4,354.80/6,568.26 = 4,066.80/x
  3. Step 3: Cross multiply
    4,354.80x = 6,568.26 × 4,066.80
  4. Step 4: Simplify right side
    4,354.80x = 26,711,799.77
  5. Step 5: Solve for x
    x = 26,711,799.77/4,354.80
  6. Step 6: Final answer
    x = 6,133.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.