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Finding the Fourth Proportional to 34,957.16, 52,436.65 and 8,661.52

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Solution

The fourth proportional to 34,957.16, 52,436.65 and 8,661.52 is: 12,992.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,957.16 : 52,436.65 = 8,661.52 : x
  2. Step 2: Convert to fraction form
    34,957.16/52,436.65 = 8,661.52/x
  3. Step 3: Cross multiply
    34,957.16x = 52,436.65 × 8,661.52
  4. Step 4: Simplify right side
    34,957.16x = 454,181,092.71
  5. Step 5: Solve for x
    x = 454,181,092.71/34,957.16
  6. Step 6: Final answer
    x = 12,992.51

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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.