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Finding the Fourth Proportional to 6,641.44, 9,962.10 and 1,711.06

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Solution

The fourth proportional to 6,641.44, 9,962.10 and 1,711.06 is: 2,566.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,641.44 : 9,962.10 = 1,711.06 : x
  2. Step 2: Convert to fraction form
    6,641.44/9,962.10 = 1,711.06/x
  3. Step 3: Cross multiply
    6,641.44x = 9,962.10 × 1,711.06
  4. Step 4: Simplify right side
    6,641.44x = 17,045,750.83
  5. Step 5: Solve for x
    x = 17,045,750.83/6,641.44
  6. Step 6: Final answer
    x = 2,566.57

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Similar ratio
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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.