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Finding the Fourth Proportional to 10,076.78, 15,114.35 and 3,502.01

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Solution

The fourth proportional to 10,076.78, 15,114.35 and 3,502.01 is: 5,252.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,076.78 : 15,114.35 = 3,502.01 : x
  2. Step 2: Convert to fraction form
    10,076.78/15,114.35 = 3,502.01/x
  3. Step 3: Cross multiply
    10,076.78x = 15,114.35 × 3,502.01
  4. Step 4: Simplify right side
    10,076.78x = 52,930,538.03
  5. Step 5: Solve for x
    x = 52,930,538.03/10,076.78
  6. Step 6: Final answer
    x = 5,252.73

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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.