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Finding the Fourth Proportional to 9,236.64, 13,854.54 and 3,392.82

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Solution

The fourth proportional to 9,236.64, 13,854.54 and 3,392.82 is: 5,089.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,236.64 : 13,854.54 = 3,392.82 : x
  2. Step 2: Convert to fraction form
    9,236.64/13,854.54 = 3,392.82/x
  3. Step 3: Cross multiply
    9,236.64x = 13,854.54 × 3,392.82
  4. Step 4: Simplify right side
    9,236.64x = 47,005,960.40
  5. Step 5: Solve for x
    x = 47,005,960.40/9,236.64
  6. Step 6: Final answer
    x = 5,089.08

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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.