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Finding the Fourth Proportional to 13,033.13, 18,000.56 and 8,834.09

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Solution

The fourth proportional to 13,033.13, 18,000.56 and 8,834.09 is: 12,201.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,033.13 : 18,000.56 = 8,834.09 : x
  2. Step 2: Convert to fraction form
    13,033.13/18,000.56 = 8,834.09/x
  3. Step 3: Cross multiply
    13,033.13x = 18,000.56 × 8,834.09
  4. Step 4: Simplify right side
    13,033.13x = 159,018,499.17
  5. Step 5: Solve for x
    x = 159,018,499.17/13,033.13
  6. Step 6: Final answer
    x = 12,201.10

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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.