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Finding the Fourth Proportional to 56,452.75, 84,679.16 and 14,335.99

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Solution

The fourth proportional to 56,452.75, 84,679.16 and 14,335.99 is: 21,503.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,452.75 : 84,679.16 = 14,335.99 : x
  2. Step 2: Convert to fraction form
    56,452.75/84,679.16 = 14,335.99/x
  3. Step 3: Cross multiply
    56,452.75x = 84,679.16 × 14,335.99
  4. Step 4: Simplify right side
    56,452.75x = 1,213,959,590.97
  5. Step 5: Solve for x
    x = 1,213,959,590.97/56,452.75
  6. Step 6: Final answer
    x = 21,503.99

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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.