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Finding the Fourth Proportional to 61,312.96, 84,635.00 and 35,827.61

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Solution

The fourth proportional to 61,312.96, 84,635.00 and 35,827.61 is: 49,455.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,312.96 : 84,635.00 = 35,827.61 : x
  2. Step 2: Convert to fraction form
    61,312.96/84,635.00 = 35,827.61/x
  3. Step 3: Cross multiply
    61,312.96x = 84,635.00 × 35,827.61
  4. Step 4: Simplify right side
    61,312.96x = 3,032,269,438.74
  5. Step 5: Solve for x
    x = 3,032,269,438.74/61,312.96
  6. Step 6: Final answer
    x = 49,455.61

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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.