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Finding the Fourth Proportional to 47,257.92, 70,886.88 and 36,235.44

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Solution

The fourth proportional to 47,257.92, 70,886.88 and 36,235.44 is: 54,353.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,257.92 : 70,886.88 = 36,235.44 : x
  2. Step 2: Convert to fraction form
    47,257.92/70,886.88 = 36,235.44/x
  3. Step 3: Cross multiply
    47,257.92x = 70,886.88 × 36,235.44
  4. Step 4: Simplify right side
    47,257.92x = 2,568,617,287.03
  5. Step 5: Solve for x
    x = 2,568,617,287.03/47,257.92
  6. Step 6: Final answer
    x = 54,353.16

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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.