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Finding the Fourth Proportional to 33,886.74, 50,825.76 and 8,928.72

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Solution

The fourth proportional to 33,886.74, 50,825.76 and 8,928.72 is: 13,391.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,886.74 : 50,825.76 = 8,928.72 : x
  2. Step 2: Convert to fraction form
    33,886.74/50,825.76 = 8,928.72/x
  3. Step 3: Cross multiply
    33,886.74x = 50,825.76 × 8,928.72
  4. Step 4: Simplify right side
    33,886.74x = 453,808,979.83
  5. Step 5: Solve for x
    x = 453,808,979.83/33,886.74
  6. Step 6: Final answer
    x = 13,391.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.