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Finding the Fourth Proportional to 18,396.63, 27,594.36 and 5,248.89

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Solution

The fourth proportional to 18,396.63, 27,594.36 and 5,248.89 is: 7,873.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,396.63 : 27,594.36 = 5,248.89 : x
  2. Step 2: Convert to fraction form
    18,396.63/27,594.36 = 5,248.89/x
  3. Step 3: Cross multiply
    18,396.63x = 27,594.36 × 5,248.89
  4. Step 4: Simplify right side
    18,396.63x = 144,839,760.26
  5. Step 5: Solve for x
    x = 144,839,760.26/18,396.63
  6. Step 6: Final answer
    x = 7,873.17

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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.