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Finding the Fourth Proportional to 33,065.40, 49,593.30 and 9,689.40

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Solution

The fourth proportional to 33,065.40, 49,593.30 and 9,689.40 is: 14,532.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,065.40 : 49,593.30 = 9,689.40 : x
  2. Step 2: Convert to fraction form
    33,065.40/49,593.30 = 9,689.40/x
  3. Step 3: Cross multiply
    33,065.40x = 49,593.30 × 9,689.40
  4. Step 4: Simplify right side
    33,065.40x = 480,529,321.02
  5. Step 5: Solve for x
    x = 480,529,321.02/33,065.40
  6. Step 6: Final answer
    x = 14,532.69

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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.