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Finding the Fourth Proportional to 18,052.40, 27,078.60 and 14,812.40

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Solution

The fourth proportional to 18,052.40, 27,078.60 and 14,812.40 is: 22,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,052.40 : 27,078.60 = 14,812.40 : x
  2. Step 2: Convert to fraction form
    18,052.40/27,078.60 = 14,812.40/x
  3. Step 3: Cross multiply
    18,052.40x = 27,078.60 × 14,812.40
  4. Step 4: Simplify right side
    18,052.40x = 401,099,054.64
  5. Step 5: Solve for x
    x = 401,099,054.64/18,052.40
  6. Step 6: Final answer
    x = 22,218.60

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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.