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Finding the Fourth Proportional to 30,284.08, 41,787.04 and 16,854.99

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Solution

The fourth proportional to 30,284.08, 41,787.04 and 16,854.99 is: 23,257.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,284.08 : 41,787.04 = 16,854.99 : x
  2. Step 2: Convert to fraction form
    30,284.08/41,787.04 = 16,854.99/x
  3. Step 3: Cross multiply
    30,284.08x = 41,787.04 × 16,854.99
  4. Step 4: Simplify right side
    30,284.08x = 704,319,974.09
  5. Step 5: Solve for x
    x = 704,319,974.09/30,284.08
  6. Step 6: Final answer
    x = 23,257.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.