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Finding the Fourth Proportional to 67,130.65, 92,635.54 and 36,915.49

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Solution

The fourth proportional to 67,130.65, 92,635.54 and 36,915.49 is: 50,940.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,130.65 : 92,635.54 = 36,915.49 : x
  2. Step 2: Convert to fraction form
    67,130.65/92,635.54 = 36,915.49/x
  3. Step 3: Cross multiply
    67,130.65x = 92,635.54 × 36,915.49
  4. Step 4: Simplify right side
    67,130.65x = 3,419,686,350.51
  5. Step 5: Solve for x
    x = 3,419,686,350.51/67,130.65
  6. Step 6: Final answer
    x = 50,940.76

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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.