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Finding the Fourth Proportional to 61,262.85, 84,541.71 and 34,038.36

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Solution

The fourth proportional to 61,262.85, 84,541.71 and 34,038.36 is: 46,972.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,262.85 : 84,541.71 = 34,038.36 : x
  2. Step 2: Convert to fraction form
    61,262.85/84,541.71 = 34,038.36/x
  3. Step 3: Cross multiply
    61,262.85x = 84,541.71 × 34,038.36
  4. Step 4: Simplify right side
    61,262.85x = 2,877,661,160.00
  5. Step 5: Solve for x
    x = 2,877,661,160.00/61,262.85
  6. Step 6: Final answer
    x = 46,972.37

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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.