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Finding the Fourth Proportional to 61,136.66, 84,367.50 and 34,279.08

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Solution

The fourth proportional to 61,136.66, 84,367.50 and 34,279.08 is: 47,304.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,136.66 : 84,367.50 = 34,279.08 : x
  2. Step 2: Convert to fraction form
    61,136.66/84,367.50 = 34,279.08/x
  3. Step 3: Cross multiply
    61,136.66x = 84,367.50 × 34,279.08
  4. Step 4: Simplify right side
    61,136.66x = 2,892,040,281.90
  5. Step 5: Solve for x
    x = 2,892,040,281.90/61,136.66
  6. Step 6: Final answer
    x = 47,304.52

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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.