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Finding the Fourth Proportional to 4,764.72, 7,151.55 and 2,575.17

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Solution

The fourth proportional to 4,764.72, 7,151.55 and 2,575.17 is: 3,865.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,764.72 : 7,151.55 = 2,575.17 : x
  2. Step 2: Convert to fraction form
    4,764.72/7,151.55 = 2,575.17/x
  3. Step 3: Cross multiply
    4,764.72x = 7,151.55 × 2,575.17
  4. Step 4: Simplify right side
    4,764.72x = 18,416,457.01
  5. Step 5: Solve for x
    x = 18,416,457.01/4,764.72
  6. Step 6: Final answer
    x = 3,865.17

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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.