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Finding the Fourth Proportional to 53,352, 80,032.12 and 15,909.22

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Solution

The fourth proportional to 53,352, 80,032.12 and 15,909.22 is: 23,865.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,352 : 80,032.12 = 15,909.22 : x
  2. Step 2: Convert to fraction form
    53,352/80,032.12 = 15,909.22/x
  3. Step 3: Cross multiply
    53,352x = 80,032.12 × 15,909.22
  4. Step 4: Simplify right side
    53,352x = 1,273,248,604.15
  5. Step 5: Solve for x
    x = 1,273,248,604.15/53,352
  6. Step 6: Final answer
    x = 23,865.06

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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.