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Finding the Fourth Proportional to 67,900.95, 93,700.53 and 37,687.54

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Solution

The fourth proportional to 67,900.95, 93,700.53 and 37,687.54 is: 52,007.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,900.95 : 93,700.53 = 37,687.54 : x
  2. Step 2: Convert to fraction form
    67,900.95/93,700.53 = 37,687.54/x
  3. Step 3: Cross multiply
    67,900.95x = 93,700.53 × 37,687.54
  4. Step 4: Simplify right side
    67,900.95x = 3,531,342,706.65
  5. Step 5: Solve for x
    x = 3,531,342,706.65/67,900.95
  6. Step 6: Final answer
    x = 52,007.27

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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.