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Finding the Fourth Proportional to 6,363.14, 8,780.82 and 3,530.48

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Solution

The fourth proportional to 6,363.14, 8,780.82 and 3,530.48 is: 4,871.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,363.14 : 8,780.82 = 3,530.48 : x
  2. Step 2: Convert to fraction form
    6,363.14/8,780.82 = 3,530.48/x
  3. Step 3: Cross multiply
    6,363.14x = 8,780.82 × 3,530.48
  4. Step 4: Simplify right side
    6,363.14x = 31,000,509.39
  5. Step 5: Solve for x
    x = 31,000,509.39/6,363.14
  6. Step 6: Final answer
    x = 4,871.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.