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Finding the Fourth Proportional to 61,960.65, 85,505.91 and 35,108.13

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Solution

The fourth proportional to 61,960.65, 85,505.91 and 35,108.13 is: 48,449.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,960.65 : 85,505.91 = 35,108.13 : x
  2. Step 2: Convert to fraction form
    61,960.65/85,505.91 = 35,108.13/x
  3. Step 3: Cross multiply
    61,960.65x = 85,505.91 × 35,108.13
  4. Step 4: Simplify right side
    61,960.65x = 3,001,952,604.05
  5. Step 5: Solve for x
    x = 3,001,952,604.05/61,960.65
  6. Step 6: Final answer
    x = 48,449.34

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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.