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Finding the Fourth Proportional to 4,652.69, 6,420.87 and 2,663.42

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Solution

The fourth proportional to 4,652.69, 6,420.87 and 2,663.42 is: 3,675.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,652.69 : 6,420.87 = 2,663.42 : x
  2. Step 2: Convert to fraction form
    4,652.69/6,420.87 = 2,663.42/x
  3. Step 3: Cross multiply
    4,652.69x = 6,420.87 × 2,663.42
  4. Step 4: Simplify right side
    4,652.69x = 17,101,441.47
  5. Step 5: Solve for x
    x = 17,101,441.47/4,652.69
  6. Step 6: Final answer
    x = 3,675.61

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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.