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Finding the Fourth Proportional to 58,511.27, 80,745.22 and 31,653.70

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Solution

The fourth proportional to 58,511.27, 80,745.22 and 31,653.70 is: 43,681.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,511.27 : 80,745.22 = 31,653.70 : x
  2. Step 2: Convert to fraction form
    58,511.27/80,745.22 = 31,653.70/x
  3. Step 3: Cross multiply
    58,511.27x = 80,745.22 × 31,653.70
  4. Step 4: Simplify right side
    58,511.27x = 2,555,884,970.31
  5. Step 5: Solve for x
    x = 2,555,884,970.31/58,511.27
  6. Step 6: Final answer
    x = 43,681.93

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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.