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Finding the Fourth Proportional to 62,920.59, 86,832.14 and 34,628.01

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Solution

The fourth proportional to 62,920.59, 86,832.14 and 34,628.01 is: 47,787.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,920.59 : 86,832.14 = 34,628.01 : x
  2. Step 2: Convert to fraction form
    62,920.59/86,832.14 = 34,628.01/x
  3. Step 3: Cross multiply
    62,920.59x = 86,832.14 × 34,628.01
  4. Step 4: Simplify right side
    62,920.59x = 3,006,824,039.10
  5. Step 5: Solve for x
    x = 3,006,824,039.10/62,920.59
  6. Step 6: Final answer
    x = 47,787.60

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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.