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Finding the Fourth Proportional to 61,513.72, 92,299.75 and 36,602.98

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Solution

The fourth proportional to 61,513.72, 92,299.75 and 36,602.98 is: 54,921.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,513.72 : 92,299.75 = 36,602.98 : x
  2. Step 2: Convert to fraction form
    61,513.72/92,299.75 = 36,602.98/x
  3. Step 3: Cross multiply
    61,513.72x = 92,299.75 × 36,602.98
  4. Step 4: Simplify right side
    61,513.72x = 3,378,445,581.00
  5. Step 5: Solve for x
    x = 3,378,445,581.00/61,513.72
  6. Step 6: Final answer
    x = 54,921.82

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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.