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Finding the Fourth Proportional to 9,364.60, 14,046.90 and 5,422.60

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Solution

The fourth proportional to 9,364.60, 14,046.90 and 5,422.60 is: 8,133.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,364.60 : 14,046.90 = 5,422.60 : x
  2. Step 2: Convert to fraction form
    9,364.60/14,046.90 = 5,422.60/x
  3. Step 3: Cross multiply
    9,364.60x = 14,046.90 × 5,422.60
  4. Step 4: Simplify right side
    9,364.60x = 76,170,719.94
  5. Step 5: Solve for x
    x = 76,170,719.94/9,364.60
  6. Step 6: Final answer
    x = 8,133.90

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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.