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Finding the Fourth Proportional to 18,591.37, 27,886.88 and 4,551.46

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Solution

The fourth proportional to 18,591.37, 27,886.88 and 4,551.46 is: 6,827.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,591.37 : 27,886.88 = 4,551.46 : x
  2. Step 2: Convert to fraction form
    18,591.37/27,886.88 = 4,551.46/x
  3. Step 3: Cross multiply
    18,591.37x = 27,886.88 × 4,551.46
  4. Step 4: Simplify right side
    18,591.37x = 126,925,856.65
  5. Step 5: Solve for x
    x = 126,925,856.65/18,591.37
  6. Step 6: Final answer
    x = 6,827.14

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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.