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Finding the Fourth Proportional to 4,658.79, 6,989.75 and 1,883.97

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Solution

The fourth proportional to 4,658.79, 6,989.75 and 1,883.97 is: 2,826.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,658.79 : 6,989.75 = 1,883.97 : x
  2. Step 2: Convert to fraction form
    4,658.79/6,989.75 = 1,883.97/x
  3. Step 3: Cross multiply
    4,658.79x = 6,989.75 × 1,883.97
  4. Step 4: Simplify right side
    4,658.79x = 13,168,469.89
  5. Step 5: Solve for x
    x = 13,168,469.89/4,658.79
  6. Step 6: Final answer
    x = 2,826.59

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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.