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Finding the Fourth Proportional to 7,833.01, 10,807.81 and 4,474.75

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Solution

The fourth proportional to 7,833.01, 10,807.81 and 4,474.75 is: 6,174.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,833.01 : 10,807.81 = 4,474.75 : x
  2. Step 2: Convert to fraction form
    7,833.01/10,807.81 = 4,474.75/x
  3. Step 3: Cross multiply
    7,833.01x = 10,807.81 × 4,474.75
  4. Step 4: Simplify right side
    7,833.01x = 48,362,247.80
  5. Step 5: Solve for x
    x = 48,362,247.80/7,833.01
  6. Step 6: Final answer
    x = 6,174.16

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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.