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Finding the Fourth Proportional to 34,073.12, 47,021.04 and 19,168.16

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Solution

The fourth proportional to 34,073.12, 47,021.04 and 19,168.16 is: 26,452.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,073.12 : 47,021.04 = 19,168.16 : x
  2. Step 2: Convert to fraction form
    34,073.12/47,021.04 = 19,168.16/x
  3. Step 3: Cross multiply
    34,073.12x = 47,021.04 × 19,168.16
  4. Step 4: Simplify right side
    34,073.12x = 901,306,818.09
  5. Step 5: Solve for x
    x = 901,306,818.09/34,073.12
  6. Step 6: Final answer
    x = 26,452.14

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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.