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Finding the Fourth Proportional to 18,326.68, 27,491.56 and 5,848.47

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Solution

The fourth proportional to 18,326.68, 27,491.56 and 5,848.47 is: 8,773.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,326.68 : 27,491.56 = 5,848.47 : x
  2. Step 2: Convert to fraction form
    18,326.68/27,491.56 = 5,848.47/x
  3. Step 3: Cross multiply
    18,326.68x = 27,491.56 × 5,848.47
  4. Step 4: Simplify right side
    18,326.68x = 160,783,549.29
  5. Step 5: Solve for x
    x = 160,783,549.29/18,326.68
  6. Step 6: Final answer
    x = 8,773.20

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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.