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Finding the Fourth Proportional to 7,501.79, 10,352.49 and 4,144.70

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Solution

The fourth proportional to 7,501.79, 10,352.49 and 4,144.70 is: 5,719.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,501.79 : 10,352.49 = 4,144.70 : x
  2. Step 2: Convert to fraction form
    7,501.79/10,352.49 = 4,144.70/x
  3. Step 3: Cross multiply
    7,501.79x = 10,352.49 × 4,144.70
  4. Step 4: Simplify right side
    7,501.79x = 42,907,965.30
  5. Step 5: Solve for x
    x = 42,907,965.30/7,501.79
  6. Step 6: Final answer
    x = 5,719.70

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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.