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Finding the Fourth Proportional to 6,605.49, 9,905.88 and 3,094.90

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Solution

The fourth proportional to 6,605.49, 9,905.88 and 3,094.90 is: 4,641.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605.49 : 9,905.88 = 3,094.90 : x
  2. Step 2: Convert to fraction form
    6,605.49/9,905.88 = 3,094.90/x
  3. Step 3: Cross multiply
    6,605.49x = 9,905.88 × 3,094.90
  4. Step 4: Simplify right side
    6,605.49x = 30,657,708.01
  5. Step 5: Solve for x
    x = 30,657,708.01/6,605.49
  6. Step 6: Final answer
    x = 4,641.25

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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.