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Finding the Fourth Proportional to 23,455.60, 35,106.60 and 18,233.20

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Solution

The fourth proportional to 23,455.60, 35,106.60 and 18,233.20 is: 27,290.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,455.60 : 35,106.60 = 18,233.20 : x
  2. Step 2: Convert to fraction form
    23,455.60/35,106.60 = 18,233.20/x
  3. Step 3: Cross multiply
    23,455.60x = 35,106.60 × 18,233.20
  4. Step 4: Simplify right side
    23,455.60x = 640,105,659.12
  5. Step 5: Solve for x
    x = 640,105,659.12/23,455.60
  6. Step 6: Final answer
    x = 27,290.10

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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.