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Finding the Fourth Proportional to 6,969.66, 10,454.42 and 1,775.48

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Solution

The fourth proportional to 6,969.66, 10,454.42 and 1,775.48 is: 2,663.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,969.66 : 10,454.42 = 1,775.48 : x
  2. Step 2: Convert to fraction form
    6,969.66/10,454.42 = 1,775.48/x
  3. Step 3: Cross multiply
    6,969.66x = 10,454.42 × 1,775.48
  4. Step 4: Simplify right side
    6,969.66x = 18,561,613.62
  5. Step 5: Solve for x
    x = 18,561,613.62/6,969.66
  6. Step 6: Final answer
    x = 2,663.20

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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.