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Finding the Fourth Proportional to 23,718.60, 35,513.10 and 18,534.60

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Solution

The fourth proportional to 23,718.60, 35,513.10 and 18,534.60 is: 27,751.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,718.60 : 35,513.10 = 18,534.60 : x
  2. Step 2: Convert to fraction form
    23,718.60/35,513.10 = 18,534.60/x
  3. Step 3: Cross multiply
    23,718.60x = 35,513.10 × 18,534.60
  4. Step 4: Simplify right side
    23,718.60x = 658,221,103.26
  5. Step 5: Solve for x
    x = 658,221,103.26/23,718.60
  6. Step 6: Final answer
    x = 27,751.26

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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.