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Finding the Fourth Proportional to 6,463.49, 9,700.11 and 5,180.45

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Solution

The fourth proportional to 6,463.49, 9,700.11 and 5,180.45 is: 7,774.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,463.49 : 9,700.11 = 5,180.45 : x
  2. Step 2: Convert to fraction form
    6,463.49/9,700.11 = 5,180.45/x
  3. Step 3: Cross multiply
    6,463.49x = 9,700.11 × 5,180.45
  4. Step 4: Simplify right side
    6,463.49x = 50,250,886.35
  5. Step 5: Solve for x
    x = 50,250,886.35/6,463.49
  6. Step 6: Final answer
    x = 7,774.58

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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.