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Finding the Fourth Proportional to 61,377.70, 84,638.25 and 43,467.94

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Solution

The fourth proportional to 61,377.70, 84,638.25 and 43,467.94 is: 59,941.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,377.70 : 84,638.25 = 43,467.94 : x
  2. Step 2: Convert to fraction form
    61,377.70/84,638.25 = 43,467.94/x
  3. Step 3: Cross multiply
    61,377.70x = 84,638.25 × 43,467.94
  4. Step 4: Simplify right side
    61,377.70x = 3,679,050,372.71
  5. Step 5: Solve for x
    x = 3,679,050,372.71/61,377.70
  6. Step 6: Final answer
    x = 59,941.16

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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.