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Finding the Fourth Proportional to 49,993.71, 68,988.54 and 27,328.20

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Solution

The fourth proportional to 49,993.71, 68,988.54 and 27,328.20 is: 37,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,993.71 : 68,988.54 = 27,328.20 : x
  2. Step 2: Convert to fraction form
    49,993.71/68,988.54 = 27,328.20/x
  3. Step 3: Cross multiply
    49,993.71x = 68,988.54 × 27,328.20
  4. Step 4: Simplify right side
    49,993.71x = 1,885,332,618.83
  5. Step 5: Solve for x
    x = 1,885,332,618.83/49,993.71
  6. Step 6: Final answer
    x = 37,711.40

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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.