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Finding the Fourth Proportional to 58,625.71, 80,903.27 and 31,768.88

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Solution

The fourth proportional to 58,625.71, 80,903.27 and 31,768.88 is: 43,840.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,625.71 : 80,903.27 = 31,768.88 : x
  2. Step 2: Convert to fraction form
    58,625.71/80,903.27 = 31,768.88/x
  3. Step 3: Cross multiply
    58,625.71x = 80,903.27 × 31,768.88
  4. Step 4: Simplify right side
    58,625.71x = 2,570,205,951.14
  5. Step 5: Solve for x
    x = 2,570,205,951.14/58,625.71
  6. Step 6: Final answer
    x = 43,840.94

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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.