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Finding the Fourth Proportional to 23,642.30, 35,433.30 and 12,554.30

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Solution

The fourth proportional to 23,642.30, 35,433.30 and 12,554.30 is: 18,815.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,642.30 : 35,433.30 = 12,554.30 : x
  2. Step 2: Convert to fraction form
    23,642.30/35,433.30 = 12,554.30/x
  3. Step 3: Cross multiply
    23,642.30x = 35,433.30 × 12,554.30
  4. Step 4: Simplify right side
    23,642.30x = 444,840,278.19
  5. Step 5: Solve for x
    x = 444,840,278.19/23,642.30
  6. Step 6: Final answer
    x = 18,815.44

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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.