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Finding the Fourth Proportional to 61,252.96, 84,462.60 and 53,224.24

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Solution

The fourth proportional to 61,252.96, 84,462.60 and 53,224.24 is: 73,391.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,252.96 : 84,462.60 = 53,224.24 : x
  2. Step 2: Convert to fraction form
    61,252.96/84,462.60 = 53,224.24/x
  3. Step 3: Cross multiply
    61,252.96x = 84,462.60 × 53,224.24
  4. Step 4: Simplify right side
    61,252.96x = 4,495,457,693.42
  5. Step 5: Solve for x
    x = 4,495,457,693.42/61,252.96
  6. Step 6: Final answer
    x = 73,391.68

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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.