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Finding the Fourth Proportional to 33,123.52, 49,685.28 and 8,499.52

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Solution

The fourth proportional to 33,123.52, 49,685.28 and 8,499.52 is: 12,749.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,123.52 : 49,685.28 = 8,499.52 : x
  2. Step 2: Convert to fraction form
    33,123.52/49,685.28 = 8,499.52/x
  3. Step 3: Cross multiply
    33,123.52x = 49,685.28 × 8,499.52
  4. Step 4: Simplify right side
    33,123.52x = 422,301,031.07
  5. Step 5: Solve for x
    x = 422,301,031.07/33,123.52
  6. Step 6: Final answer
    x = 12,749.28

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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.