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Finding the Fourth Proportional to 22,153.02, 33,221.64 and 7,357.98

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Solution

The fourth proportional to 22,153.02, 33,221.64 and 7,357.98 is: 11,034.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,153.02 : 33,221.64 = 7,357.98 : x
  2. Step 2: Convert to fraction form
    22,153.02/33,221.64 = 7,357.98/x
  3. Step 3: Cross multiply
    22,153.02x = 33,221.64 × 7,357.98
  4. Step 4: Simplify right side
    22,153.02x = 244,444,162.69
  5. Step 5: Solve for x
    x = 244,444,162.69/22,153.02
  6. Step 6: Final answer
    x = 11,034.35

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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.