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Finding the Fourth Proportional to 62,703.07, 86,531.30 and 34,411.39

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Solution

The fourth proportional to 62,703.07, 86,531.30 and 34,411.39 is: 47,488.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,703.07 : 86,531.30 = 34,411.39 : x
  2. Step 2: Convert to fraction form
    62,703.07/86,531.30 = 34,411.39/x
  3. Step 3: Cross multiply
    62,703.07x = 86,531.30 × 34,411.39
  4. Step 4: Simplify right side
    62,703.07x = 2,977,662,139.45
  5. Step 5: Solve for x
    x = 2,977,662,139.45/62,703.07
  6. Step 6: Final answer
    x = 47,488.30

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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.