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Finding the Fourth Proportional to 6,358.80, 8,775.49 and 3,706.05

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Solution

The fourth proportional to 6,358.80, 8,775.49 and 3,706.05 is: 5,114.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,358.80 : 8,775.49 = 3,706.05 : x
  2. Step 2: Convert to fraction form
    6,358.80/8,775.49 = 3,706.05/x
  3. Step 3: Cross multiply
    6,358.80x = 8,775.49 × 3,706.05
  4. Step 4: Simplify right side
    6,358.80x = 32,522,435.31
  5. Step 5: Solve for x
    x = 32,522,435.31/6,358.80
  6. Step 6: Final answer
    x = 5,114.55

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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.