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Finding the Fourth Proportional to 4,658.25, 6,987.78 and 1,195.50

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Solution

The fourth proportional to 4,658.25, 6,987.78 and 1,195.50 is: 1,793.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,658.25 : 6,987.78 = 1,195.50 : x
  2. Step 2: Convert to fraction form
    4,658.25/6,987.78 = 1,195.50/x
  3. Step 3: Cross multiply
    4,658.25x = 6,987.78 × 1,195.50
  4. Step 4: Simplify right side
    4,658.25x = 8,353,890.99
  5. Step 5: Solve for x
    x = 8,353,890.99/4,658.25
  6. Step 6: Final answer
    x = 1,793.35

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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.