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Finding the Fourth Proportional to 18,657.26, 27,956.67 and 10,332.14

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Solution

The fourth proportional to 18,657.26, 27,956.67 and 10,332.14 is: 15,482.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,657.26 : 27,956.67 = 10,332.14 : x
  2. Step 2: Convert to fraction form
    18,657.26/27,956.67 = 10,332.14/x
  3. Step 3: Cross multiply
    18,657.26x = 27,956.67 × 10,332.14
  4. Step 4: Simplify right side
    18,657.26x = 288,852,228.37
  5. Step 5: Solve for x
    x = 288,852,228.37/18,657.26
  6. Step 6: Final answer
    x = 15,482.03

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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.