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Finding the Fourth Proportional to 47,876.59, 71,790.58 and 35,920.99

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Solution

The fourth proportional to 47,876.59, 71,790.58 and 35,920.99 is: 53,863.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,876.59 : 71,790.58 = 35,920.99 : x
  2. Step 2: Convert to fraction form
    47,876.59/71,790.58 = 35,920.99/x
  3. Step 3: Cross multiply
    47,876.59x = 71,790.58 × 35,920.99
  4. Step 4: Simplify right side
    47,876.59x = 2,578,788,706.27
  5. Step 5: Solve for x
    x = 2,578,788,706.27/47,876.59
  6. Step 6: Final answer
    x = 53,863.25

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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.