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Finding the Fourth Proportional to 31,583.36, 47,375.04 and 10,807.04

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Solution

The fourth proportional to 31,583.36, 47,375.04 and 10,807.04 is: 16,210.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,583.36 : 47,375.04 = 10,807.04 : x
  2. Step 2: Convert to fraction form
    31,583.36/47,375.04 = 10,807.04/x
  3. Step 3: Cross multiply
    31,583.36x = 47,375.04 × 10,807.04
  4. Step 4: Simplify right side
    31,583.36x = 511,983,952.28
  5. Step 5: Solve for x
    x = 511,983,952.28/31,583.36
  6. Step 6: Final answer
    x = 16,210.56

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Similar ratio
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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.