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Finding the Fourth Proportional to 6,652.40, 9,959.40 and 5,961.20

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Solution

The fourth proportional to 6,652.40, 9,959.40 and 5,961.20 is: 8,924.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,652.40 : 9,959.40 = 5,961.20 : x
  2. Step 2: Convert to fraction form
    6,652.40/9,959.40 = 5,961.20/x
  3. Step 3: Cross multiply
    6,652.40x = 9,959.40 × 5,961.20
  4. Step 4: Simplify right side
    6,652.40x = 59,369,975.28
  5. Step 5: Solve for x
    x = 59,369,975.28/6,652.40
  6. Step 6: Final answer
    x = 8,924.59

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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.