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Finding the Fourth Proportional to 9,237.76, 13,855.12 and 3,392.96

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Solution

The fourth proportional to 9,237.76, 13,855.12 and 3,392.96 is: 5,088.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,237.76 : 13,855.12 = 3,392.96 : x
  2. Step 2: Convert to fraction form
    9,237.76/13,855.12 = 3,392.96/x
  3. Step 3: Cross multiply
    9,237.76x = 13,855.12 × 3,392.96
  4. Step 4: Simplify right side
    9,237.76x = 47,009,867.96
  5. Step 5: Solve for x
    x = 47,009,867.96/9,237.76
  6. Step 6: Final answer
    x = 5,088.88

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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.