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Finding the Fourth Proportional to 18,251.61, 27,327.88 and 15,266.35

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Solution

The fourth proportional to 18,251.61, 27,327.88 and 15,266.35 is: 22,858.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,251.61 : 27,327.88 = 15,266.35 : x
  2. Step 2: Convert to fraction form
    18,251.61/27,327.88 = 15,266.35/x
  3. Step 3: Cross multiply
    18,251.61x = 27,327.88 × 15,266.35
  4. Step 4: Simplify right side
    18,251.61x = 417,196,980.84
  5. Step 5: Solve for x
    x = 417,196,980.84/18,251.61
  6. Step 6: Final answer
    x = 22,858.09

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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.