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Finding the Fourth Proportional to 22,922.40, 34,383.60 and 11,258.40

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Solution

The fourth proportional to 22,922.40, 34,383.60 and 11,258.40 is: 16,887.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,922.40 : 34,383.60 = 11,258.40 : x
  2. Step 2: Convert to fraction form
    22,922.40/34,383.60 = 11,258.40/x
  3. Step 3: Cross multiply
    22,922.40x = 34,383.60 × 11,258.40
  4. Step 4: Simplify right side
    22,922.40x = 387,104,322.24
  5. Step 5: Solve for x
    x = 387,104,322.24/22,922.40
  6. Step 6: Final answer
    x = 16,887.60

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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.