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Finding the Fourth Proportional to 18,549.54, 27,829.17 and 6,866.10

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Solution

The fourth proportional to 18,549.54, 27,829.17 and 6,866.10 is: 10,300.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,549.54 : 27,829.17 = 6,866.10 : x
  2. Step 2: Convert to fraction form
    18,549.54/27,829.17 = 6,866.10/x
  3. Step 3: Cross multiply
    18,549.54x = 27,829.17 × 6,866.10
  4. Step 4: Simplify right side
    18,549.54x = 191,077,864.14
  5. Step 5: Solve for x
    x = 191,077,864.14/18,549.54
  6. Step 6: Final answer
    x = 10,300.95

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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.