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Finding the Fourth Proportional to 18,627.93, 27,954.44 and 6,941.14

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Solution

The fourth proportional to 18,627.93, 27,954.44 and 6,941.14 is: 10,416.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,627.93 : 27,954.44 = 6,941.14 : x
  2. Step 2: Convert to fraction form
    18,627.93/27,954.44 = 6,941.14/x
  3. Step 3: Cross multiply
    18,627.93x = 27,954.44 × 6,941.14
  4. Step 4: Simplify right side
    18,627.93x = 194,035,681.66
  5. Step 5: Solve for x
    x = 194,035,681.66/18,627.93
  6. Step 6: Final answer
    x = 10,416.38

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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.