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Finding the Fourth Proportional to 33,911.52, 50,866.74 and 9,287.52

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Solution

The fourth proportional to 33,911.52, 50,866.74 and 9,287.52 is: 13,931.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,911.52 : 50,866.74 = 9,287.52 : x
  2. Step 2: Convert to fraction form
    33,911.52/50,866.74 = 9,287.52/x
  3. Step 3: Cross multiply
    33,911.52x = 50,866.74 × 9,287.52
  4. Step 4: Simplify right side
    33,911.52x = 472,425,865.08
  5. Step 5: Solve for x
    x = 472,425,865.08/33,911.52
  6. Step 6: Final answer
    x = 13,931.13

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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.