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Finding the Fourth Proportional to 7,066.79, 10,600.17 and 2,909.06

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Solution

The fourth proportional to 7,066.79, 10,600.17 and 2,909.06 is: 4,363.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,066.79 : 10,600.17 = 2,909.06 : x
  2. Step 2: Convert to fraction form
    7,066.79/10,600.17 = 2,909.06/x
  3. Step 3: Cross multiply
    7,066.79x = 10,600.17 × 2,909.06
  4. Step 4: Simplify right side
    7,066.79x = 30,836,477.54
  5. Step 5: Solve for x
    x = 30,836,477.54/7,066.79
  6. Step 6: Final answer
    x = 4,363.58

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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.