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Finding the Fourth Proportional to 58,531.75, 80,773.50 and 31,674.22

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Solution

The fourth proportional to 58,531.75, 80,773.50 and 31,674.22 is: 43,710.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,531.75 : 80,773.50 = 31,674.22 : x
  2. Step 2: Convert to fraction form
    58,531.75/80,773.50 = 31,674.22/x
  3. Step 3: Cross multiply
    58,531.75x = 80,773.50 × 31,674.22
  4. Step 4: Simplify right side
    58,531.75x = 2,558,437,609.17
  5. Step 5: Solve for x
    x = 2,558,437,609.17/58,531.75
  6. Step 6: Final answer
    x = 43,710.25

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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.