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Finding the Fourth Proportional to 6,753.70, 10,130.55 and 3,473.20

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Solution

The fourth proportional to 6,753.70, 10,130.55 and 3,473.20 is: 5,209.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,753.70 : 10,130.55 = 3,473.20 : x
  2. Step 2: Convert to fraction form
    6,753.70/10,130.55 = 3,473.20/x
  3. Step 3: Cross multiply
    6,753.70x = 10,130.55 × 3,473.20
  4. Step 4: Simplify right side
    6,753.70x = 35,185,426.26
  5. Step 5: Solve for x
    x = 35,185,426.26/6,753.70
  6. Step 6: Final answer
    x = 5,209.80

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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.