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Finding the Fourth Proportional to 61,957.51, 92,936.34 and 15,210.38

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Solution

The fourth proportional to 61,957.51, 92,936.34 and 15,210.38 is: 22,815.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,957.51 : 92,936.34 = 15,210.38 : x
  2. Step 2: Convert to fraction form
    61,957.51/92,936.34 = 15,210.38/x
  3. Step 3: Cross multiply
    61,957.51x = 92,936.34 × 15,210.38
  4. Step 4: Simplify right side
    61,957.51x = 1,413,597,279.55
  5. Step 5: Solve for x
    x = 1,413,597,279.55/61,957.51
  6. Step 6: Final answer
    x = 22,815.59

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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.