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Finding the Fourth Proportional to 38,329.61, 52,902.72 and 22,417.97

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Solution

The fourth proportional to 38,329.61, 52,902.72 and 22,417.97 is: 30,941.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,329.61 : 52,902.72 = 22,417.97 : x
  2. Step 2: Convert to fraction form
    38,329.61/52,902.72 = 22,417.97/x
  3. Step 3: Cross multiply
    38,329.61x = 52,902.72 × 22,417.97
  4. Step 4: Simplify right side
    38,329.61x = 1,185,971,325.36
  5. Step 5: Solve for x
    x = 1,185,971,325.36/38,329.61
  6. Step 6: Final answer
    x = 30,941.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.