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Finding the Fourth Proportional to 67,847.73, 93,641.07 and 37,642.78

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Solution

The fourth proportional to 67,847.73, 93,641.07 and 37,642.78 is: 51,953.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,847.73 : 93,641.07 = 37,642.78 : x
  2. Step 2: Convert to fraction form
    67,847.73/93,641.07 = 37,642.78/x
  3. Step 3: Cross multiply
    67,847.73x = 93,641.07 × 37,642.78
  4. Step 4: Simplify right side
    67,847.73x = 3,524,909,728.77
  5. Step 5: Solve for x
    x = 3,524,909,728.77/67,847.73
  6. Step 6: Final answer
    x = 51,953.24

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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.