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Finding the Fourth Proportional to 4,987.24, 7,481.96 and 1,477.53

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Solution

The fourth proportional to 4,987.24, 7,481.96 and 1,477.53 is: 2,216.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.24 : 7,481.96 = 1,477.53 : x
  2. Step 2: Convert to fraction form
    4,987.24/7,481.96 = 1,477.53/x
  3. Step 3: Cross multiply
    4,987.24x = 7,481.96 × 1,477.53
  4. Step 4: Simplify right side
    4,987.24x = 11,054,801.62
  5. Step 5: Solve for x
    x = 11,054,801.62/4,987.24
  6. Step 6: Final answer
    x = 2,216.62

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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.