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Finding the Fourth Proportional to 47,158.94, 70,743.02 and 17,181.32

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Solution

The fourth proportional to 47,158.94, 70,743.02 and 17,181.32 is: 25,773.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,158.94 : 70,743.02 = 17,181.32 : x
  2. Step 2: Convert to fraction form
    47,158.94/70,743.02 = 17,181.32/x
  3. Step 3: Cross multiply
    47,158.94x = 70,743.02 × 17,181.32
  4. Step 4: Simplify right side
    47,158.94x = 1,215,458,024.76
  5. Step 5: Solve for x
    x = 1,215,458,024.76/47,158.94
  6. Step 6: Final answer
    x = 25,773.65

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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.