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Finding the Fourth Proportional to 22,245.71, 33,345.33 and 7,442.46

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Solution

The fourth proportional to 22,245.71, 33,345.33 and 7,442.46 is: 11,155.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,245.71 : 33,345.33 = 7,442.46 : x
  2. Step 2: Convert to fraction form
    22,245.71/33,345.33 = 7,442.46/x
  3. Step 3: Cross multiply
    22,245.71x = 33,345.33 × 7,442.46
  4. Step 4: Simplify right side
    22,245.71x = 248,171,284.71
  5. Step 5: Solve for x
    x = 248,171,284.71/22,245.71
  6. Step 6: Final answer
    x = 11,155.92

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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.