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Finding the Fourth Proportional to 49,407.65, 68,165.51 and 27,894.71

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Solution

The fourth proportional to 49,407.65, 68,165.51 and 27,894.71 is: 38,485.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,407.65 : 68,165.51 = 27,894.71 : x
  2. Step 2: Convert to fraction form
    49,407.65/68,165.51 = 27,894.71/x
  3. Step 3: Cross multiply
    49,407.65x = 68,165.51 × 27,894.71
  4. Step 4: Simplify right side
    49,407.65x = 1,901,456,792.62
  5. Step 5: Solve for x
    x = 1,901,456,792.62/49,407.65
  6. Step 6: Final answer
    x = 38,485.07

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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.