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Finding the Fourth Proportional to 58,698.20, 88,047.30 and 23,619.80

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Solution

The fourth proportional to 58,698.20, 88,047.30 and 23,619.80 is: 35,429.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,698.20 : 88,047.30 = 23,619.80 : x
  2. Step 2: Convert to fraction form
    58,698.20/88,047.30 = 23,619.80/x
  3. Step 3: Cross multiply
    58,698.20x = 88,047.30 × 23,619.80
  4. Step 4: Simplify right side
    58,698.20x = 2,079,659,616.54
  5. Step 5: Solve for x
    x = 2,079,659,616.54/58,698.20
  6. Step 6: Final answer
    x = 35,429.70

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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.