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Finding the Fourth Proportional to 6,607.49, 9,908.88 and 3,096.90

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Solution

The fourth proportional to 6,607.49, 9,908.88 and 3,096.90 is: 4,644.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,607.49 : 9,908.88 = 3,096.90 : x
  2. Step 2: Convert to fraction form
    6,607.49/9,908.88 = 3,096.90/x
  3. Step 3: Cross multiply
    6,607.49x = 9,908.88 × 3,096.90
  4. Step 4: Simplify right side
    6,607.49x = 30,686,810.47
  5. Step 5: Solve for x
    x = 30,686,810.47/6,607.49
  6. Step 6: Final answer
    x = 4,644.25

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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.