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Finding the Fourth Proportional to 6,607.95, 9,114.21 and 4,247.84

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Solution

The fourth proportional to 6,607.95, 9,114.21 and 4,247.84 is: 5,858.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,607.95 : 9,114.21 = 4,247.84 : x
  2. Step 2: Convert to fraction form
    6,607.95/9,114.21 = 4,247.84/x
  3. Step 3: Cross multiply
    6,607.95x = 9,114.21 × 4,247.84
  4. Step 4: Simplify right side
    6,607.95x = 38,715,660.24
  5. Step 5: Solve for x
    x = 38,715,660.24/6,607.95
  6. Step 6: Final answer
    x = 5,858.95

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Double scale
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1.5x scale

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.