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Finding the Fourth Proportional to 4,252.65, 6,379.29 and 1,132.64

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Solution

The fourth proportional to 4,252.65, 6,379.29 and 1,132.64 is: 1,699.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,252.65 : 6,379.29 = 1,132.64 : x
  2. Step 2: Convert to fraction form
    4,252.65/6,379.29 = 1,132.64/x
  3. Step 3: Cross multiply
    4,252.65x = 6,379.29 × 1,132.64
  4. Step 4: Simplify right side
    4,252.65x = 7,225,431.05
  5. Step 5: Solve for x
    x = 7,225,431.05/4,252.65
  6. Step 6: Final answer
    x = 1,699.04

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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.