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Finding the Fourth Proportional to 6,641.37, 9,961.70 and 1,711.26

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Solution

The fourth proportional to 6,641.37, 9,961.70 and 1,711.26 is: 2,566.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,641.37 : 9,961.70 = 1,711.26 : x
  2. Step 2: Convert to fraction form
    6,641.37/9,961.70 = 1,711.26/x
  3. Step 3: Cross multiply
    6,641.37x = 9,961.70 × 1,711.26
  4. Step 4: Simplify right side
    6,641.37x = 17,047,050.19
  5. Step 5: Solve for x
    x = 17,047,050.19/6,641.37
  6. Step 6: Final answer
    x = 2,566.80

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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.