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Finding the Fourth Proportional to 22,245.34, 33,368.40 and 7,451.50

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Solution

The fourth proportional to 22,245.34, 33,368.40 and 7,451.50 is: 11,177.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,245.34 : 33,368.40 = 7,451.50 : x
  2. Step 2: Convert to fraction form
    22,245.34/33,368.40 = 7,451.50/x
  3. Step 3: Cross multiply
    22,245.34x = 33,368.40 × 7,451.50
  4. Step 4: Simplify right side
    22,245.34x = 248,644,632.60
  5. Step 5: Solve for x
    x = 248,644,632.60/22,245.34
  6. Step 6: Final answer
    x = 11,177.38

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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.