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Finding the Fourth Proportional to 2,932.92, 4,047.43 and 1,606.63

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Solution

The fourth proportional to 2,932.92, 4,047.43 and 1,606.63 is: 2,217.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,932.92 : 4,047.43 = 1,606.63 : x
  2. Step 2: Convert to fraction form
    2,932.92/4,047.43 = 1,606.63/x
  3. Step 3: Cross multiply
    2,932.92x = 4,047.43 × 1,606.63
  4. Step 4: Simplify right side
    2,932.92x = 6,502,722.46
  5. Step 5: Solve for x
    x = 6,502,722.46/2,932.92
  6. Step 6: Final answer
    x = 2,217.15

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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.