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Finding the Fourth Proportional to 22,884.40, 31,960.40 and 22,884.40

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Solution

The fourth proportional to 22,884.40, 31,960.40 and 22,884.40 is: 31,960.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,884.40 : 31,960.40 = 22,884.40 : x
  2. Step 2: Convert to fraction form
    22,884.40/31,960.40 = 22,884.40/x
  3. Step 3: Cross multiply
    22,884.40x = 31,960.40 × 22,884.40
  4. Step 4: Simplify right side
    22,884.40x = 731,394,577.76
  5. Step 5: Solve for x
    x = 731,394,577.76/22,884.40
  6. Step 6: Final answer
    x = 31,960.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.