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Finding the Fourth Proportional to 4,518.99, 6,762.08 and 2,663.69

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Solution

The fourth proportional to 4,518.99, 6,762.08 and 2,663.69 is: 3,985.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518.99 : 6,762.08 = 2,663.69 : x
  2. Step 2: Convert to fraction form
    4,518.99/6,762.08 = 2,663.69/x
  3. Step 3: Cross multiply
    4,518.99x = 6,762.08 × 2,663.69
  4. Step 4: Simplify right side
    4,518.99x = 18,012,057.72
  5. Step 5: Solve for x
    x = 18,012,057.72/4,518.99
  6. Step 6: Final answer
    x = 3,985.86

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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.