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Finding the Fourth Proportional to 13,073.16, 18,033.66 and 8,033.88

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Solution

The fourth proportional to 13,073.16, 18,033.66 and 8,033.88 is: 11,082.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,073.16 : 18,033.66 = 8,033.88 : x
  2. Step 2: Convert to fraction form
    13,073.16/18,033.66 = 8,033.88/x
  3. Step 3: Cross multiply
    13,073.16x = 18,033.66 × 8,033.88
  4. Step 4: Simplify right side
    13,073.16x = 144,880,260.40
  5. Step 5: Solve for x
    x = 144,880,260.40/13,073.16
  6. Step 6: Final answer
    x = 11,082.27

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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.