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Finding the Fourth Proportional to 22,258.99, 33,390.22 and 6,464.28

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Solution

The fourth proportional to 22,258.99, 33,390.22 and 6,464.28 is: 9,696.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,258.99 : 33,390.22 = 6,464.28 : x
  2. Step 2: Convert to fraction form
    22,258.99/33,390.22 = 6,464.28/x
  3. Step 3: Cross multiply
    22,258.99x = 33,390.22 × 6,464.28
  4. Step 4: Simplify right side
    22,258.99x = 215,843,664.69
  5. Step 5: Solve for x
    x = 215,843,664.69/22,258.99
  6. Step 6: Final answer
    x = 9,696.92

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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.