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Finding the Fourth Proportional to 61,393.58, 84,722.26 and 34,169.48

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Solution

The fourth proportional to 61,393.58, 84,722.26 and 34,169.48 is: 47,153.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,393.58 : 84,722.26 = 34,169.48 : x
  2. Step 2: Convert to fraction form
    61,393.58/84,722.26 = 34,169.48/x
  3. Step 3: Cross multiply
    61,393.58x = 84,722.26 × 34,169.48
  4. Step 4: Simplify right side
    61,393.58x = 2,894,915,397.78
  5. Step 5: Solve for x
    x = 2,894,915,397.78/61,393.58
  6. Step 6: Final answer
    x = 47,153.39

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1.5x scale

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.