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Finding the Fourth Proportional to 18,468.42, 27,702.68 and 7,376.01

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Solution

The fourth proportional to 18,468.42, 27,702.68 and 7,376.01 is: 11,064.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,468.42 : 27,702.68 = 7,376.01 : x
  2. Step 2: Convert to fraction form
    18,468.42/27,702.68 = 7,376.01/x
  3. Step 3: Cross multiply
    18,468.42x = 27,702.68 × 7,376.01
  4. Step 4: Simplify right side
    18,468.42x = 204,335,244.71
  5. Step 5: Solve for x
    x = 204,335,244.71/18,468.42
  6. Step 6: Final answer
    x = 11,064.03

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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.