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Finding the Fourth Proportional to 58,394.90, 80,584.96 and 31,537.41

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Solution

The fourth proportional to 58,394.90, 80,584.96 and 31,537.41 is: 43,521.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,394.90 : 80,584.96 = 31,537.41 : x
  2. Step 2: Convert to fraction form
    58,394.90/80,584.96 = 31,537.41/x
  3. Step 3: Cross multiply
    58,394.90x = 80,584.96 × 31,537.41
  4. Step 4: Simplify right side
    58,394.90x = 2,541,441,054.74
  5. Step 5: Solve for x
    x = 2,541,441,054.74/58,394.90
  6. Step 6: Final answer
    x = 43,521.63

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1.5x scale

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.