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Finding the Fourth Proportional to 15,293.79, 22,943.97 and 4,763.58

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Solution

The fourth proportional to 15,293.79, 22,943.97 and 4,763.58 is: 7,146.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,293.79 : 22,943.97 = 4,763.58 : x
  2. Step 2: Convert to fraction form
    15,293.79/22,943.97 = 4,763.58/x
  3. Step 3: Cross multiply
    15,293.79x = 22,943.97 × 4,763.58
  4. Step 4: Simplify right side
    15,293.79x = 109,295,436.61
  5. Step 5: Solve for x
    x = 109,295,436.61/15,293.79
  6. Step 6: Final answer
    x = 7,146.39

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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.