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Finding the Fourth Proportional to 4,888.45, 7,332.68 and 1,768.44

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Solution

The fourth proportional to 4,888.45, 7,332.68 and 1,768.44 is: 2,652.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.45 : 7,332.68 = 1,768.44 : x
  2. Step 2: Convert to fraction form
    4,888.45/7,332.68 = 1,768.44/x
  3. Step 3: Cross multiply
    4,888.45x = 7,332.68 × 1,768.44
  4. Step 4: Simplify right side
    4,888.45x = 12,967,404.62
  5. Step 5: Solve for x
    x = 12,967,404.62/4,888.45
  6. Step 6: Final answer
    x = 2,652.66

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Similar ratio
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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.