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Finding the Fourth Proportional to 60,935.76, 84,095.64 and 34,080.77

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Solution

The fourth proportional to 60,935.76, 84,095.64 and 34,080.77 is: 47,033.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,935.76 : 84,095.64 = 34,080.77 : x
  2. Step 2: Convert to fraction form
    60,935.76/84,095.64 = 34,080.77/x
  3. Step 3: Cross multiply
    60,935.76x = 84,095.64 × 34,080.77
  4. Step 4: Simplify right side
    60,935.76x = 2,866,044,375.08
  5. Step 5: Solve for x
    x = 2,866,044,375.08/60,935.76
  6. Step 6: Final answer
    x = 47,033.87

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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.