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Finding the Fourth Proportional to 5,788.77, 8,687.64 and 2,670.12

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Solution

The fourth proportional to 5,788.77, 8,687.64 and 2,670.12 is: 4,007.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,788.77 : 8,687.64 = 2,670.12 : x
  2. Step 2: Convert to fraction form
    5,788.77/8,687.64 = 2,670.12/x
  3. Step 3: Cross multiply
    5,788.77x = 8,687.64 × 2,670.12
  4. Step 4: Simplify right side
    5,788.77x = 23,197,041.32
  5. Step 5: Solve for x
    x = 23,197,041.32/5,788.77
  6. Step 6: Final answer
    x = 4,007.25

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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.