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Finding the Fourth Proportional to 58,532.49, 80,774.53 and 31,674.98

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Solution

The fourth proportional to 58,532.49, 80,774.53 and 31,674.98 is: 43,711.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,532.49 : 80,774.53 = 31,674.98 : x
  2. Step 2: Convert to fraction form
    58,532.49/80,774.53 = 31,674.98/x
  3. Step 3: Cross multiply
    58,532.49x = 80,774.53 × 31,674.98
  4. Step 4: Simplify right side
    58,532.49x = 2,558,531,745.01
  5. Step 5: Solve for x
    x = 2,558,531,745.01/58,532.49
  6. Step 6: Final answer
    x = 43,711.31

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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.