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Finding the Fourth Proportional to 7,499.31, 10,341.39 and 4,514.55

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Solution

The fourth proportional to 7,499.31, 10,341.39 and 4,514.55 is: 6,225.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,499.31 : 10,341.39 = 4,514.55 : x
  2. Step 2: Convert to fraction form
    7,499.31/10,341.39 = 4,514.55/x
  3. Step 3: Cross multiply
    7,499.31x = 10,341.39 × 4,514.55
  4. Step 4: Simplify right side
    7,499.31x = 46,686,722.22
  5. Step 5: Solve for x
    x = 46,686,722.22/7,499.31
  6. Step 6: Final answer
    x = 6,225.47

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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.