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Finding the Fourth Proportional to 59,341.88, 81,905.18 and 36,702.79

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Solution

The fourth proportional to 59,341.88, 81,905.18 and 36,702.79 is: 50,658.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,341.88 : 81,905.18 = 36,702.79 : x
  2. Step 2: Convert to fraction form
    59,341.88/81,905.18 = 36,702.79/x
  3. Step 3: Cross multiply
    59,341.88x = 81,905.18 × 36,702.79
  4. Step 4: Simplify right side
    59,341.88x = 3,006,148,233.18
  5. Step 5: Solve for x
    x = 3,006,148,233.18/59,341.88
  6. Step 6: Final answer
    x = 50,658.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.