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Finding the Fourth Proportional to 2,902.11, 4,353.18 and 710.84

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Solution

The fourth proportional to 2,902.11, 4,353.18 and 710.84 is: 1,066.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,902.11 : 4,353.18 = 710.84 : x
  2. Step 2: Convert to fraction form
    2,902.11/4,353.18 = 710.84/x
  3. Step 3: Cross multiply
    2,902.11x = 4,353.18 × 710.84
  4. Step 4: Simplify right side
    2,902.11x = 3,094,422.69
  5. Step 5: Solve for x
    x = 3,094,422.69/2,902.11
  6. Step 6: Final answer
    x = 1,066.27

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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.