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Finding the Fourth Proportional to 58,657.75, 80,947.17 and 32,816.01

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Solution

The fourth proportional to 58,657.75, 80,947.17 and 32,816.01 is: 45,285.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,657.75 : 80,947.17 = 32,816.01 : x
  2. Step 2: Convert to fraction form
    58,657.75/80,947.17 = 32,816.01/x
  3. Step 3: Cross multiply
    58,657.75x = 80,947.17 × 32,816.01
  4. Step 4: Simplify right side
    58,657.75x = 2,656,362,976.11
  5. Step 5: Solve for x
    x = 2,656,362,976.11/58,657.75
  6. Step 6: Final answer
    x = 45,285.80

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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.