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Finding the Fourth Proportional to 4,983.42, 7,472.97 and 1,695.63

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Solution

The fourth proportional to 4,983.42, 7,472.97 and 1,695.63 is: 2,542.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,983.42 : 7,472.97 = 1,695.63 : x
  2. Step 2: Convert to fraction form
    4,983.42/7,472.97 = 1,695.63/x
  3. Step 3: Cross multiply
    4,983.42x = 7,472.97 × 1,695.63
  4. Step 4: Simplify right side
    4,983.42x = 12,671,392.12
  5. Step 5: Solve for x
    x = 12,671,392.12/4,983.42
  6. Step 6: Final answer
    x = 2,542.71

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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.