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Finding the Fourth Proportional to 61,673.68, 85,111.92 and 34,814.56

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Solution

The fourth proportional to 61,673.68, 85,111.92 and 34,814.56 is: 48,045.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,673.68 : 85,111.92 = 34,814.56 : x
  2. Step 2: Convert to fraction form
    61,673.68/85,111.92 = 34,814.56/x
  3. Step 3: Cross multiply
    61,673.68x = 85,111.92 × 34,814.56
  4. Step 4: Simplify right side
    61,673.68x = 2,963,134,045.56
  5. Step 5: Solve for x
    x = 2,963,134,045.56/61,673.68
  6. Step 6: Final answer
    x = 48,045.36

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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.