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Finding the Fourth Proportional to 62,718.63, 86,551.74 and 34,038.27

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Solution

The fourth proportional to 62,718.63, 86,551.74 and 34,038.27 is: 46,972.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,718.63 : 86,551.74 = 34,038.27 : x
  2. Step 2: Convert to fraction form
    62,718.63/86,551.74 = 34,038.27/x
  3. Step 3: Cross multiply
    62,718.63x = 86,551.74 × 34,038.27
  4. Step 4: Simplify right side
    62,718.63x = 2,946,071,495.09
  5. Step 5: Solve for x
    x = 2,946,071,495.09/62,718.63
  6. Step 6: Final answer
    x = 46,972.83

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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.