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Finding the Fourth Proportional to 58,374.72, 80,559.09 and 34,521.84

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Solution

The fourth proportional to 58,374.72, 80,559.09 and 34,521.84 is: 47,641.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,374.72 : 80,559.09 = 34,521.84 : x
  2. Step 2: Convert to fraction form
    58,374.72/80,559.09 = 34,521.84/x
  3. Step 3: Cross multiply
    58,374.72x = 80,559.09 × 34,521.84
  4. Step 4: Simplify right side
    58,374.72x = 2,781,048,015.53
  5. Step 5: Solve for x
    x = 2,781,048,015.53/58,374.72
  6. Step 6: Final answer
    x = 47,641.31

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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.