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Finding the Fourth Proportional to 6,647.76, 9,954.16 and 6,064.56

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Solution

The fourth proportional to 6,647.76, 9,954.16 and 6,064.56 is: 9,080.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,647.76 : 9,954.16 = 6,064.56 : x
  2. Step 2: Convert to fraction form
    6,647.76/9,954.16 = 6,064.56/x
  3. Step 3: Cross multiply
    6,647.76x = 9,954.16 × 6,064.56
  4. Step 4: Simplify right side
    6,647.76x = 60,367,600.57
  5. Step 5: Solve for x
    x = 60,367,600.57/6,647.76
  6. Step 6: Final answer
    x = 9,080.89

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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.