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Finding the Fourth Proportional to 23,720.88, 35,582.16 and 18,184.32

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Solution

The fourth proportional to 23,720.88, 35,582.16 and 18,184.32 is: 27,277.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,720.88 : 35,582.16 = 18,184.32 : x
  2. Step 2: Convert to fraction form
    23,720.88/35,582.16 = 18,184.32/x
  3. Step 3: Cross multiply
    23,720.88x = 35,582.16 × 18,184.32
  4. Step 4: Simplify right side
    23,720.88x = 647,037,383.73
  5. Step 5: Solve for x
    x = 647,037,383.73/23,720.88
  6. Step 6: Final answer
    x = 27,277.12

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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.