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Finding the Fourth Proportional to 4,873.22, 7,313.16 and 2,652.20

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Solution

The fourth proportional to 4,873.22, 7,313.16 and 2,652.20 is: 3,980.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,873.22 : 7,313.16 = 2,652.20 : x
  2. Step 2: Convert to fraction form
    4,873.22/7,313.16 = 2,652.20/x
  3. Step 3: Cross multiply
    4,873.22x = 7,313.16 × 2,652.20
  4. Step 4: Simplify right side
    4,873.22x = 19,395,962.95
  5. Step 5: Solve for x
    x = 19,395,962.95/4,873.22
  6. Step 6: Final answer
    x = 3,980.11

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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.