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Finding the Fourth Proportional to 7,452.72, 10,284.30 and 4,095.72

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Solution

The fourth proportional to 7,452.72, 10,284.30 and 4,095.72 is: 5,651.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,452.72 : 10,284.30 = 4,095.72 : x
  2. Step 2: Convert to fraction form
    7,452.72/10,284.30 = 4,095.72/x
  3. Step 3: Cross multiply
    7,452.72x = 10,284.30 × 4,095.72
  4. Step 4: Simplify right side
    7,452.72x = 42,121,613.20
  5. Step 5: Solve for x
    x = 42,121,613.20/7,452.72
  6. Step 6: Final answer
    x = 5,651.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.