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Finding the Fourth Proportional to 18,097.60, 27,146.40 and 18,097.60

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Solution

The fourth proportional to 18,097.60, 27,146.40 and 18,097.60 is: 27,146.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,097.60 : 27,146.40 = 18,097.60 : x
  2. Step 2: Convert to fraction form
    18,097.60/27,146.40 = 18,097.60/x
  3. Step 3: Cross multiply
    18,097.60x = 27,146.40 × 18,097.60
  4. Step 4: Simplify right side
    18,097.60x = 491,284,688.64
  5. Step 5: Solve for x
    x = 491,284,688.64/18,097.60
  6. Step 6: Final answer
    x = 27,146.40

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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.