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Finding the Fourth Proportional to 61,826.84, 85,228.03 and 48,374.74

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Solution

The fourth proportional to 61,826.84, 85,228.03 and 48,374.74 is: 66,684.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,826.84 : 85,228.03 = 48,374.74 : x
  2. Step 2: Convert to fraction form
    61,826.84/85,228.03 = 48,374.74/x
  3. Step 3: Cross multiply
    61,826.84x = 85,228.03 × 48,374.74
  4. Step 4: Simplify right side
    61,826.84x = 4,122,883,791.96
  5. Step 5: Solve for x
    x = 4,122,883,791.96/61,826.84
  6. Step 6: Final answer
    x = 66,684.37

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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.