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Finding the Fourth Proportional to 7,062.99, 9,750.56 and 4,976.43

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Solution

The fourth proportional to 7,062.99, 9,750.56 and 4,976.43 is: 6,870.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,062.99 : 9,750.56 = 4,976.43 : x
  2. Step 2: Convert to fraction form
    7,062.99/9,750.56 = 4,976.43/x
  3. Step 3: Cross multiply
    7,062.99x = 9,750.56 × 4,976.43
  4. Step 4: Simplify right side
    7,062.99x = 48,522,954.42
  5. Step 5: Solve for x
    x = 48,522,954.42/7,062.99
  6. Step 6: Final answer
    x = 6,870.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.