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Finding the Fourth Proportional to 34,212.47, 47,212.29 and 19,104.71

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Solution

The fourth proportional to 34,212.47, 47,212.29 and 19,104.71 is: 26,363.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,212.47 : 47,212.29 = 19,104.71 : x
  2. Step 2: Convert to fraction form
    34,212.47/47,212.29 = 19,104.71/x
  3. Step 3: Cross multiply
    34,212.47x = 47,212.29 × 19,104.71
  4. Step 4: Simplify right side
    34,212.47x = 901,976,872.82
  5. Step 5: Solve for x
    x = 901,976,872.82/34,212.47
  6. Step 6: Final answer
    x = 26,363.98

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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.