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Finding the Fourth Proportional to 18,637.56, 27,956.38 and 17,497.08

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Solution

The fourth proportional to 18,637.56, 27,956.38 and 17,497.08 is: 26,245.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,637.56 : 27,956.38 = 17,497.08 : x
  2. Step 2: Convert to fraction form
    18,637.56/27,956.38 = 17,497.08/x
  3. Step 3: Cross multiply
    18,637.56x = 27,956.38 × 17,497.08
  4. Step 4: Simplify right side
    18,637.56x = 489,155,017.37
  5. Step 5: Solve for x
    x = 489,155,017.37/18,637.56
  6. Step 6: Final answer
    x = 26,245.66

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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.