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Finding the Fourth Proportional to 8,847.97, 13,274.97 and 5,557.21

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Solution

The fourth proportional to 8,847.97, 13,274.97 and 5,557.21 is: 8,337.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,847.97 : 13,274.97 = 5,557.21 : x
  2. Step 2: Convert to fraction form
    8,847.97/13,274.97 = 5,557.21/x
  3. Step 3: Cross multiply
    8,847.97x = 13,274.97 × 5,557.21
  4. Step 4: Simplify right side
    8,847.97x = 73,771,701.87
  5. Step 5: Solve for x
    x = 73,771,701.87/8,847.97
  6. Step 6: Final answer
    x = 8,337.70

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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.