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Finding the Fourth Proportional to 38,291.52, 52,841.52 and 21,524.52

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Solution

The fourth proportional to 38,291.52, 52,841.52 and 21,524.52 is: 29,703.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,291.52 : 52,841.52 = 21,524.52 : x
  2. Step 2: Convert to fraction form
    38,291.52/52,841.52 = 21,524.52/x
  3. Step 3: Cross multiply
    38,291.52x = 52,841.52 × 21,524.52
  4. Step 4: Simplify right side
    38,291.52x = 1,137,388,354.07
  5. Step 5: Solve for x
    x = 1,137,388,354.07/38,291.52
  6. Step 6: Final answer
    x = 29,703.40

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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.