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Finding the Fourth Proportional to 17,918.14, 26,877.18 and 5,606.14

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Solution

The fourth proportional to 17,918.14, 26,877.18 and 5,606.14 is: 8,409.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,918.14 : 26,877.18 = 5,606.14 : x
  2. Step 2: Convert to fraction form
    17,918.14/26,877.18 = 5,606.14/x
  3. Step 3: Cross multiply
    17,918.14x = 26,877.18 × 5,606.14
  4. Step 4: Simplify right side
    17,918.14x = 150,677,233.89
  5. Step 5: Solve for x
    x = 150,677,233.89/17,918.14
  6. Step 6: Final answer
    x = 8,409.20

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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.