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Finding the Fourth Proportional to 10,493.16, 15,749.46 and 5,302.68

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Solution

The fourth proportional to 10,493.16, 15,749.46 and 5,302.68 is: 7,958.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,493.16 : 15,749.46 = 5,302.68 : x
  2. Step 2: Convert to fraction form
    10,493.16/15,749.46 = 5,302.68/x
  3. Step 3: Cross multiply
    10,493.16x = 15,749.46 × 5,302.68
  4. Step 4: Simplify right side
    10,493.16x = 83,514,346.55
  5. Step 5: Solve for x
    x = 83,514,346.55/10,493.16
  6. Step 6: Final answer
    x = 7,958.93

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.