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Finding the Fourth Proportional to 62,706.13, 86,531.01 and 34,409.59

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Solution

The fourth proportional to 62,706.13, 86,531.01 and 34,409.59 is: 47,483.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,706.13 : 86,531.01 = 34,409.59 : x
  2. Step 2: Convert to fraction form
    62,706.13/86,531.01 = 34,409.59/x
  3. Step 3: Cross multiply
    62,706.13x = 86,531.01 × 34,409.59
  4. Step 4: Simplify right side
    62,706.13x = 2,977,496,576.39
  5. Step 5: Solve for x
    x = 2,977,496,576.39/62,706.13
  6. Step 6: Final answer
    x = 47,483.34

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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.