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Finding the Fourth Proportional to 47,393.91, 71,040.35 and 35,670.87

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Solution

The fourth proportional to 47,393.91, 71,040.35 and 35,670.87 is: 53,468.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,393.91 : 71,040.35 = 35,670.87 : x
  2. Step 2: Convert to fraction form
    47,393.91/71,040.35 = 35,670.87/x
  3. Step 3: Cross multiply
    47,393.91x = 71,040.35 × 35,670.87
  4. Step 4: Simplify right side
    47,393.91x = 2,534,070,911.25
  5. Step 5: Solve for x
    x = 2,534,070,911.25/47,393.91
  6. Step 6: Final answer
    x = 53,468.28

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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.