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Finding the Fourth Proportional to 5,276.01, 7,914.99 and 1,765.68

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Solution

The fourth proportional to 5,276.01, 7,914.99 and 1,765.68 is: 2,648.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.01 : 7,914.99 = 1,765.68 : x
  2. Step 2: Convert to fraction form
    5,276.01/7,914.99 = 1,765.68/x
  3. Step 3: Cross multiply
    5,276.01x = 7,914.99 × 1,765.68
  4. Step 4: Simplify right side
    5,276.01x = 13,975,339.54
  5. Step 5: Solve for x
    x = 13,975,339.54/5,276.01
  6. Step 6: Final answer
    x = 2,648.85

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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.