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Finding the Fourth Proportional to 6,377.05, 8,800.28 and 3,582.55

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Solution

The fourth proportional to 6,377.05, 8,800.28 and 3,582.55 is: 4,943.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,377.05 : 8,800.28 = 3,582.55 : x
  2. Step 2: Convert to fraction form
    6,377.05/8,800.28 = 3,582.55/x
  3. Step 3: Cross multiply
    6,377.05x = 8,800.28 × 3,582.55
  4. Step 4: Simplify right side
    6,377.05x = 31,527,416.64
  5. Step 5: Solve for x
    x = 31,527,416.64/6,377.05
  6. Step 6: Final answer
    x = 4,943.89

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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.