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Finding the Fourth Proportional to 58,483.64, 80,707.26 and 31,625.96

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Solution

The fourth proportional to 58,483.64, 80,707.26 and 31,625.96 is: 43,643.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,483.64 : 80,707.26 = 31,625.96 : x
  2. Step 2: Convert to fraction form
    58,483.64/80,707.26 = 31,625.96/x
  3. Step 3: Cross multiply
    58,483.64x = 80,707.26 × 31,625.96
  4. Step 4: Simplify right side
    58,483.64x = 2,552,444,576.47
  5. Step 5: Solve for x
    x = 2,552,444,576.47/58,483.64
  6. Step 6: Final answer
    x = 43,643.74

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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.