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Finding the Fourth Proportional to 50,652.69, 69,894.66 and 27,990.39

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Solution

The fourth proportional to 50,652.69, 69,894.66 and 27,990.39 is: 38,623.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,652.69 : 69,894.66 = 27,990.39 : x
  2. Step 2: Convert to fraction form
    50,652.69/69,894.66 = 27,990.39/x
  3. Step 3: Cross multiply
    50,652.69x = 69,894.66 × 27,990.39
  4. Step 4: Simplify right side
    50,652.69x = 1,956,378,792.32
  5. Step 5: Solve for x
    x = 1,956,378,792.32/50,652.69
  6. Step 6: Final answer
    x = 38,623.39

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Double scale
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Similar ratio
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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.