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Finding the Fourth Proportional to 47,482.32, 71,544.02 and 39,343.44

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Solution

The fourth proportional to 47,482.32, 71,544.02 and 39,343.44 is: 59,280.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,482.32 : 71,544.02 = 39,343.44 : x
  2. Step 2: Convert to fraction form
    47,482.32/71,544.02 = 39,343.44/x
  3. Step 3: Cross multiply
    47,482.32x = 71,544.02 × 39,343.44
  4. Step 4: Simplify right side
    47,482.32x = 2,814,787,858.23
  5. Step 5: Solve for x
    x = 2,814,787,858.23/47,482.32
  6. Step 6: Final answer
    x = 59,280.76

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.