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Finding the Fourth Proportional to 62,996.40, 86,934.06 and 34,703.10

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Solution

The fourth proportional to 62,996.40, 86,934.06 and 34,703.10 is: 47,889.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,996.40 : 86,934.06 = 34,703.10 : x
  2. Step 2: Convert to fraction form
    62,996.40/86,934.06 = 34,703.10/x
  3. Step 3: Cross multiply
    62,996.40x = 86,934.06 × 34,703.10
  4. Step 4: Simplify right side
    62,996.40x = 3,016,881,377.59
  5. Step 5: Solve for x
    x = 3,016,881,377.59/62,996.40
  6. Step 6: Final answer
    x = 47,889.74

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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.