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Finding the Fourth Proportional to 4,689.94, 6,472.12 and 2,594.06

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Solution

The fourth proportional to 4,689.94, 6,472.12 and 2,594.06 is: 3,579.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689.94 : 6,472.12 = 2,594.06 : x
  2. Step 2: Convert to fraction form
    4,689.94/6,472.12 = 2,594.06/x
  3. Step 3: Cross multiply
    4,689.94x = 6,472.12 × 2,594.06
  4. Step 4: Simplify right side
    4,689.94x = 16,789,077.30
  5. Step 5: Solve for x
    x = 16,789,077.30/4,689.94
  6. Step 6: Final answer
    x = 3,579.81

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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.