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Finding the Fourth Proportional to 56,503, 84,755.12 and 17,060.48

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Solution

The fourth proportional to 56,503, 84,755.12 and 17,060.48 is: 25,590.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,503 : 84,755.12 = 17,060.48 : x
  2. Step 2: Convert to fraction form
    56,503/84,755.12 = 17,060.48/x
  3. Step 3: Cross multiply
    56,503x = 84,755.12 × 17,060.48
  4. Step 4: Simplify right side
    56,503x = 1,445,963,029.66
  5. Step 5: Solve for x
    x = 1,445,963,029.66/56,503
  6. Step 6: Final answer
    x = 25,590.91

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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.