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Finding the Fourth Proportional to 9,375.32, 12,936.66 and 5,838.68

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Solution

The fourth proportional to 9,375.32, 12,936.66 and 5,838.68 is: 8,056.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,375.32 : 12,936.66 = 5,838.68 : x
  2. Step 2: Convert to fraction form
    9,375.32/12,936.66 = 5,838.68/x
  3. Step 3: Cross multiply
    9,375.32x = 12,936.66 × 5,838.68
  4. Step 4: Simplify right side
    9,375.32x = 75,533,018.01
  5. Step 5: Solve for x
    x = 75,533,018.01/9,375.32
  6. Step 6: Final answer
    x = 8,056.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.