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Finding the Fourth Proportional to 6,997.60, 10,487.20 and 6,017.04

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Solution

The fourth proportional to 6,997.60, 10,487.20 and 6,017.04 is: 9,017.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,997.60 : 10,487.20 = 6,017.04 : x
  2. Step 2: Convert to fraction form
    6,997.60/10,487.20 = 6,017.04/x
  3. Step 3: Cross multiply
    6,997.60x = 10,487.20 × 6,017.04
  4. Step 4: Simplify right side
    6,997.60x = 63,101,901.89
  5. Step 5: Solve for x
    x = 63,101,901.89/6,997.60
  6. Step 6: Final answer
    x = 9,017.65

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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.