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Finding the Fourth Proportional to 61,632.85, 85,053.75 and 37,759.57

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Solution

The fourth proportional to 61,632.85, 85,053.75 and 37,759.57 is: 52,108.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,632.85 : 85,053.75 = 37,759.57 : x
  2. Step 2: Convert to fraction form
    61,632.85/85,053.75 = 37,759.57/x
  3. Step 3: Cross multiply
    61,632.85x = 85,053.75 × 37,759.57
  4. Step 4: Simplify right side
    61,632.85x = 3,211,592,672.65
  5. Step 5: Solve for x
    x = 3,211,592,672.65/61,632.85
  6. Step 6: Final answer
    x = 52,108.46

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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.