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Finding the Fourth Proportional to 27,936, 38,574.72 and 24,439.68

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Solution

The fourth proportional to 27,936, 38,574.72 and 24,439.68 is: 33,746.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,936 : 38,574.72 = 24,439.68 : x
  2. Step 2: Convert to fraction form
    27,936/38,574.72 = 24,439.68/x
  3. Step 3: Cross multiply
    27,936x = 38,574.72 × 24,439.68
  4. Step 4: Simplify right side
    27,936x = 942,753,812.89
  5. Step 5: Solve for x
    x = 942,753,812.89/27,936
  6. Step 6: Final answer
    x = 33,746.91

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Double scale
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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.