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Finding the Fourth Proportional to 23,387.34, 35,064.99 and 8,394.12

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Solution

The fourth proportional to 23,387.34, 35,064.99 and 8,394.12 is: 12,585.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,387.34 : 35,064.99 = 8,394.12 : x
  2. Step 2: Convert to fraction form
    23,387.34/35,064.99 = 8,394.12/x
  3. Step 3: Cross multiply
    23,387.34x = 35,064.99 × 8,394.12
  4. Step 4: Simplify right side
    23,387.34x = 294,339,810.10
  5. Step 5: Solve for x
    x = 294,339,810.10/23,387.34
  6. Step 6: Final answer
    x = 12,585.44

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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.