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Finding the Fourth Proportional to 47,853.02, 71,603.98 and 39,935.98

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Solution

The fourth proportional to 47,853.02, 71,603.98 and 39,935.98 is: 59,757.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,853.02 : 71,603.98 = 39,935.98 : x
  2. Step 2: Convert to fraction form
    47,853.02/71,603.98 = 39,935.98/x
  3. Step 3: Cross multiply
    47,853.02x = 71,603.98 × 39,935.98
  4. Step 4: Simplify right side
    47,853.02x = 2,859,575,113.20
  5. Step 5: Solve for x
    x = 2,859,575,113.20/47,853.02
  6. Step 6: Final answer
    x = 59,757.46

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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.