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Finding the Fourth Proportional to 13,066.00, 18,031.11 and 7,097.54

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Solution

The fourth proportional to 13,066.00, 18,031.11 and 7,097.54 is: 9,794.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,066.00 : 18,031.11 = 7,097.54 : x
  2. Step 2: Convert to fraction form
    13,066.00/18,031.11 = 7,097.54/x
  3. Step 3: Cross multiply
    13,066.00x = 18,031.11 × 7,097.54
  4. Step 4: Simplify right side
    13,066.00x = 127,976,407.70
  5. Step 5: Solve for x
    x = 127,976,407.70/13,066.00
  6. Step 6: Final answer
    x = 9,794.61

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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.