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Finding the Fourth Proportional to 5,873.97, 8,768.31 and 5,440.35

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Solution

The fourth proportional to 5,873.97, 8,768.31 and 5,440.35 is: 8,121.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,873.97 : 8,768.31 = 5,440.35 : x
  2. Step 2: Convert to fraction form
    5,873.97/8,768.31 = 5,440.35/x
  3. Step 3: Cross multiply
    5,873.97x = 8,768.31 × 5,440.35
  4. Step 4: Simplify right side
    5,873.97x = 47,702,675.31
  5. Step 5: Solve for x
    x = 47,702,675.31/5,873.97
  6. Step 6: Final answer
    x = 8,121.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.