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Finding the Fourth Proportional to 3,237.77, 4,472.16 and 2,922.89

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Solution

The fourth proportional to 3,237.77, 4,472.16 and 2,922.89 is: 4,037.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,237.77 : 4,472.16 = 2,922.89 : x
  2. Step 2: Convert to fraction form
    3,237.77/4,472.16 = 2,922.89/x
  3. Step 3: Cross multiply
    3,237.77x = 4,472.16 × 2,922.89
  4. Step 4: Simplify right side
    3,237.77x = 13,071,614.86
  5. Step 5: Solve for x
    x = 13,071,614.86/3,237.77
  6. Step 6: Final answer
    x = 4,037.22

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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.