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Finding the Fourth Proportional to 7,400.60, 11,100.90 and 6,594.20

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Solution

The fourth proportional to 7,400.60, 11,100.90 and 6,594.20 is: 9,891.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.60 : 11,100.90 = 6,594.20 : x
  2. Step 2: Convert to fraction form
    7,400.60/11,100.90 = 6,594.20/x
  3. Step 3: Cross multiply
    7,400.60x = 11,100.90 × 6,594.20
  4. Step 4: Simplify right side
    7,400.60x = 73,201,554.78
  5. Step 5: Solve for x
    x = 73,201,554.78/7,400.60
  6. Step 6: Final answer
    x = 9,891.30

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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.