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Finding the Fourth Proportional to 62,828.94, 94,246.94 and 20,138.08

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Solution

The fourth proportional to 62,828.94, 94,246.94 and 20,138.08 is: 30,208.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,828.94 : 94,246.94 = 20,138.08 : x
  2. Step 2: Convert to fraction form
    62,828.94/94,246.94 = 20,138.08/x
  3. Step 3: Cross multiply
    62,828.94x = 94,246.94 × 20,138.08
  4. Step 4: Simplify right side
    62,828.94x = 1,897,952,417.48
  5. Step 5: Solve for x
    x = 1,897,952,417.48/62,828.94
  6. Step 6: Final answer
    x = 30,208.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.