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Finding the Fourth Proportional to 9,641.67, 14,464.22 and 3,405.30

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Solution

The fourth proportional to 9,641.67, 14,464.22 and 3,405.30 is: 5,108.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,641.67 : 14,464.22 = 3,405.30 : x
  2. Step 2: Convert to fraction form
    9,641.67/14,464.22 = 3,405.30/x
  3. Step 3: Cross multiply
    9,641.67x = 14,464.22 × 3,405.30
  4. Step 4: Simplify right side
    9,641.67x = 49,254,937.10
  5. Step 5: Solve for x
    x = 49,254,937.10/9,641.67
  6. Step 6: Final answer
    x = 5,108.55

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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.