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Finding the Fourth Proportional to 7,008.51, 10,512.53 and 2,847.29

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Solution

The fourth proportional to 7,008.51, 10,512.53 and 2,847.29 is: 4,270.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008.51 : 10,512.53 = 2,847.29 : x
  2. Step 2: Convert to fraction form
    7,008.51/10,512.53 = 2,847.29/x
  3. Step 3: Cross multiply
    7,008.51x = 10,512.53 × 2,847.29
  4. Step 4: Simplify right side
    7,008.51x = 29,932,154.74
  5. Step 5: Solve for x
    x = 29,932,154.74/7,008.51
  6. Step 6: Final answer
    x = 4,270.83

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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.