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Finding the Fourth Proportional to 58,570.93, 80,827.91 and 31,713.45

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Solution

The fourth proportional to 58,570.93, 80,827.91 and 31,713.45 is: 43,764.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,570.93 : 80,827.91 = 31,713.45 : x
  2. Step 2: Convert to fraction form
    58,570.93/80,827.91 = 31,713.45/x
  3. Step 3: Cross multiply
    58,570.93x = 80,827.91 × 31,713.45
  4. Step 4: Simplify right side
    58,570.93x = 2,563,331,882.39
  5. Step 5: Solve for x
    x = 2,563,331,882.39/58,570.93
  6. Step 6: Final answer
    x = 43,764.58

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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.