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Finding the Fourth Proportional to 67,912.95, 93,715.44 and 37,696.83

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Solution

The fourth proportional to 67,912.95, 93,715.44 and 37,696.83 is: 52,019.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,912.95 : 93,715.44 = 37,696.83 : x
  2. Step 2: Convert to fraction form
    67,912.95/93,715.44 = 37,696.83/x
  3. Step 3: Cross multiply
    67,912.95x = 93,715.44 × 37,696.83
  4. Step 4: Simplify right side
    67,912.95x = 3,532,775,010.06
  5. Step 5: Solve for x
    x = 3,532,775,010.06/67,912.95
  6. Step 6: Final answer
    x = 52,019.17

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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.