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Finding the Fourth Proportional to 62,948.84, 86,871.12 and 34,656.26

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Solution

The fourth proportional to 62,948.84, 86,871.12 and 34,656.26 is: 47,826.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,948.84 : 86,871.12 = 34,656.26 : x
  2. Step 2: Convert to fraction form
    62,948.84/86,871.12 = 34,656.26/x
  3. Step 3: Cross multiply
    62,948.84x = 86,871.12 × 34,656.26
  4. Step 4: Simplify right side
    62,948.84x = 3,010,628,121.21
  5. Step 5: Solve for x
    x = 3,010,628,121.21/62,948.84
  6. Step 6: Final answer
    x = 47,826.59

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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.