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Finding the Fourth Proportional to 62,798.58, 94,205.61 and 20,667.87

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Solution

The fourth proportional to 62,798.58, 94,205.61 and 20,667.87 is: 31,004.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,798.58 : 94,205.61 = 20,667.87 : x
  2. Step 2: Convert to fraction form
    62,798.58/94,205.61 = 20,667.87/x
  3. Step 3: Cross multiply
    62,798.58x = 94,205.61 × 20,667.87
  4. Step 4: Simplify right side
    62,798.58x = 1,947,029,300.75
  5. Step 5: Solve for x
    x = 1,947,029,300.75/62,798.58
  6. Step 6: Final answer
    x = 31,004.35

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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.