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Finding the Fourth Proportional to 61,915.65, 85,444.59 and 35,057.44

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Solution

The fourth proportional to 61,915.65, 85,444.59 and 35,057.44 is: 48,379.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,915.65 : 85,444.59 = 35,057.44 : x
  2. Step 2: Convert to fraction form
    61,915.65/85,444.59 = 35,057.44/x
  3. Step 3: Cross multiply
    61,915.65x = 85,444.59 × 35,057.44
  4. Step 4: Simplify right side
    61,915.65x = 2,995,468,587.25
  5. Step 5: Solve for x
    x = 2,995,468,587.25/61,915.65
  6. Step 6: Final answer
    x = 48,379.83

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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.