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Finding the Fourth Proportional to 53,370.88, 80,053.44 and 16,432

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Solution

The fourth proportional to 53,370.88, 80,053.44 and 16,432 is: 24,647.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,370.88 : 80,053.44 = 16,432 : x
  2. Step 2: Convert to fraction form
    53,370.88/80,053.44 = 16,432/x
  3. Step 3: Cross multiply
    53,370.88x = 80,053.44 × 16,432
  4. Step 4: Simplify right side
    53,370.88x = 1,315,438,126.08
  5. Step 5: Solve for x
    x = 1,315,438,126.08/53,370.88
  6. Step 6: Final answer
    x = 24,647.11

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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.