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Finding the Fourth Proportional to 8,892.83, 13,339.56 and 6,816.62

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Solution

The fourth proportional to 8,892.83, 13,339.56 and 6,816.62 is: 10,225.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,892.83 : 13,339.56 = 6,816.62 : x
  2. Step 2: Convert to fraction form
    8,892.83/13,339.56 = 6,816.62/x
  3. Step 3: Cross multiply
    8,892.83x = 13,339.56 × 6,816.62
  4. Step 4: Simplify right side
    8,892.83x = 90,930,711.49
  5. Step 5: Solve for x
    x = 90,930,711.49/8,892.83
  6. Step 6: Final answer
    x = 10,225.17

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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.