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Finding the Fourth Proportional to 6,641.63, 9,962.72 and 2,259.13

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Solution

The fourth proportional to 6,641.63, 9,962.72 and 2,259.13 is: 3,388.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,641.63 : 9,962.72 = 2,259.13 : x
  2. Step 2: Convert to fraction form
    6,641.63/9,962.72 = 2,259.13/x
  3. Step 3: Cross multiply
    6,641.63x = 9,962.72 × 2,259.13
  4. Step 4: Simplify right side
    6,641.63x = 22,507,079.63
  5. Step 5: Solve for x
    x = 22,507,079.63/6,641.63
  6. Step 6: Final answer
    x = 3,388.79

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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.