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Finding the Fourth Proportional to 22,357.99, 33,538.54 and 7,561.91

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Solution

The fourth proportional to 22,357.99, 33,538.54 and 7,561.91 is: 11,343.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,357.99 : 33,538.54 = 7,561.91 : x
  2. Step 2: Convert to fraction form
    22,357.99/33,538.54 = 7,561.91/x
  3. Step 3: Cross multiply
    22,357.99x = 33,538.54 × 7,561.91
  4. Step 4: Simplify right side
    22,357.99x = 253,615,311.48
  5. Step 5: Solve for x
    x = 253,615,311.48/22,357.99
  6. Step 6: Final answer
    x = 11,343.39

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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.