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Finding the Fourth Proportional to 10,008.80, 14,992.70 and 5,617.03

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Solution

The fourth proportional to 10,008.80, 14,992.70 and 5,617.03 is: 8,414.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,008.80 : 14,992.70 = 5,617.03 : x
  2. Step 2: Convert to fraction form
    10,008.80/14,992.70 = 5,617.03/x
  3. Step 3: Cross multiply
    10,008.80x = 14,992.70 × 5,617.03
  4. Step 4: Simplify right side
    10,008.80x = 84,214,445.68
  5. Step 5: Solve for x
    x = 84,214,445.68/10,008.80
  6. Step 6: Final answer
    x = 8,414.04

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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.