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Finding the Fourth Proportional to 18,590.73, 27,838.55 and 10,261.50

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Solution

The fourth proportional to 18,590.73, 27,838.55 and 10,261.50 is: 15,366.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,590.73 : 27,838.55 = 10,261.50 : x
  2. Step 2: Convert to fraction form
    18,590.73/27,838.55 = 10,261.50/x
  3. Step 3: Cross multiply
    18,590.73x = 27,838.55 × 10,261.50
  4. Step 4: Simplify right side
    18,590.73x = 285,665,202.08
  5. Step 5: Solve for x
    x = 285,665,202.08/18,590.73
  6. Step 6: Final answer
    x = 15,366.01

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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.