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Finding the Fourth Proportional to 8,355.88, 11,532.24 and 5,210.44

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Solution

The fourth proportional to 8,355.88, 11,532.24 and 5,210.44 is: 7,191.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,355.88 : 11,532.24 = 5,210.44 : x
  2. Step 2: Convert to fraction form
    8,355.88/11,532.24 = 5,210.44/x
  3. Step 3: Cross multiply
    8,355.88x = 11,532.24 × 5,210.44
  4. Step 4: Simplify right side
    8,355.88x = 60,088,044.59
  5. Step 5: Solve for x
    x = 60,088,044.59/8,355.88
  6. Step 6: Final answer
    x = 7,191.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.