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Finding the Fourth Proportional to 61,735.41, 85,189.82 and 34,880.25

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Solution

The fourth proportional to 61,735.41, 85,189.82 and 34,880.25 is: 48,131.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,735.41 : 85,189.82 = 34,880.25 : x
  2. Step 2: Convert to fraction form
    61,735.41/85,189.82 = 34,880.25/x
  3. Step 3: Cross multiply
    61,735.41x = 85,189.82 × 34,880.25
  4. Step 4: Simplify right side
    61,735.41x = 2,971,442,044.65
  5. Step 5: Solve for x
    x = 2,971,442,044.65/61,735.41
  6. Step 6: Final answer
    x = 48,131.89

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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.