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Finding the Fourth Proportional to 67,759.13, 93,510.03 and 40,896.39

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Solution

The fourth proportional to 67,759.13, 93,510.03 and 40,896.39 is: 56,438.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,759.13 : 93,510.03 = 40,896.39 : x
  2. Step 2: Convert to fraction form
    67,759.13/93,510.03 = 40,896.39/x
  3. Step 3: Cross multiply
    67,759.13x = 93,510.03 × 40,896.39
  4. Step 4: Simplify right side
    67,759.13x = 3,824,222,451.31
  5. Step 5: Solve for x
    x = 3,824,222,451.31/67,759.13
  6. Step 6: Final answer
    x = 56,438.49

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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.