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Finding the Fourth Proportional to 61,830.82, 92,753.04 and 19,701.10

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Solution

The fourth proportional to 61,830.82, 92,753.04 and 19,701.10 is: 29,553.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,830.82 : 92,753.04 = 19,701.10 : x
  2. Step 2: Convert to fraction form
    61,830.82/92,753.04 = 19,701.10/x
  3. Step 3: Cross multiply
    61,830.82x = 92,753.04 × 19,701.10
  4. Step 4: Simplify right side
    61,830.82x = 1,827,336,916.34
  5. Step 5: Solve for x
    x = 1,827,336,916.34/61,830.82
  6. Step 6: Final answer
    x = 29,553.82

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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.