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Finding the Fourth Proportional to 6,503.01, 9,753.49 and 2,119.49

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Solution

The fourth proportional to 6,503.01, 9,753.49 and 2,119.49 is: 3,178.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,503.01 : 9,753.49 = 2,119.49 : x
  2. Step 2: Convert to fraction form
    6,503.01/9,753.49 = 2,119.49/x
  3. Step 3: Cross multiply
    6,503.01x = 9,753.49 × 2,119.49
  4. Step 4: Simplify right side
    6,503.01x = 20,672,424.52
  5. Step 5: Solve for x
    x = 20,672,424.52/6,503.01
  6. Step 6: Final answer
    x = 3,178.90

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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.