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Finding the Fourth Proportional to 15,381.21, 23,073.74 and 6,020.02

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Solution

The fourth proportional to 15,381.21, 23,073.74 and 6,020.02 is: 9,030.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,381.21 : 23,073.74 = 6,020.02 : x
  2. Step 2: Convert to fraction form
    15,381.21/23,073.74 = 6,020.02/x
  3. Step 3: Cross multiply
    15,381.21x = 23,073.74 × 6,020.02
  4. Step 4: Simplify right side
    15,381.21x = 138,904,333.64
  5. Step 5: Solve for x
    x = 138,904,333.64/15,381.21
  6. Step 6: Final answer
    x = 9,030.78

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Why These Related Problems?

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