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Finding the Fourth Proportional to 12,842.92, 19,264.38 and 3,482.95

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Solution

The fourth proportional to 12,842.92, 19,264.38 and 3,482.95 is: 5,224.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,842.92 : 19,264.38 = 3,482.95 : x
  2. Step 2: Convert to fraction form
    12,842.92/19,264.38 = 3,482.95/x
  3. Step 3: Cross multiply
    12,842.92x = 19,264.38 × 3,482.95
  4. Step 4: Simplify right side
    12,842.92x = 67,096,872.32
  5. Step 5: Solve for x
    x = 67,096,872.32/12,842.92
  6. Step 6: Final answer
    x = 5,224.43

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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.