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Finding the Fourth Proportional to 10,694.40, 16,042.40 and 2,903.04

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Solution

The fourth proportional to 10,694.40, 16,042.40 and 2,903.04 is: 4,354.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,694.40 : 16,042.40 = 2,903.04 : x
  2. Step 2: Convert to fraction form
    10,694.40/16,042.40 = 2,903.04/x
  3. Step 3: Cross multiply
    10,694.40x = 16,042.40 × 2,903.04
  4. Step 4: Simplify right side
    10,694.40x = 46,571,728.90
  5. Step 5: Solve for x
    x = 46,571,728.90/10,694.40
  6. Step 6: Final answer
    x = 4,354.78

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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.