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Finding the Fourth Proportional to 58,409.01, 80,604.41 and 31,551.52

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Solution

The fourth proportional to 58,409.01, 80,604.41 and 31,551.52 is: 43,541.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,409.01 : 80,604.41 = 31,551.52 : x
  2. Step 2: Convert to fraction form
    58,409.01/80,604.41 = 31,551.52/x
  3. Step 3: Cross multiply
    58,409.01x = 80,604.41 × 31,551.52
  4. Step 4: Simplify right side
    58,409.01x = 2,543,191,654.20
  5. Step 5: Solve for x
    x = 2,543,191,654.20/58,409.01
  6. Step 6: Final answer
    x = 43,541.08

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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.