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Finding the Fourth Proportional to 61,495.59, 92,287.13 and 47,469.63

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Solution

The fourth proportional to 61,495.59, 92,287.13 and 47,469.63 is: 71,238.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,495.59 : 92,287.13 = 47,469.63 : x
  2. Step 2: Convert to fraction form
    61,495.59/92,287.13 = 47,469.63/x
  3. Step 3: Cross multiply
    61,495.59x = 92,287.13 × 47,469.63
  4. Step 4: Simplify right side
    61,495.59x = 4,380,835,677.51
  5. Step 5: Solve for x
    x = 4,380,835,677.51/61,495.59
  6. Step 6: Final answer
    x = 71,238.21

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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.