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Finding the Fourth Proportional to 58,362.49, 87,571.07 and 28,764.18

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Solution

The fourth proportional to 58,362.49, 87,571.07 and 28,764.18 is: 43,159.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,362.49 : 87,571.07 = 28,764.18 : x
  2. Step 2: Convert to fraction form
    58,362.49/87,571.07 = 28,764.18/x
  3. Step 3: Cross multiply
    58,362.49x = 87,571.07 × 28,764.18
  4. Step 4: Simplify right side
    58,362.49x = 2,518,910,020.27
  5. Step 5: Solve for x
    x = 2,518,910,020.27/58,362.49
  6. Step 6: Final answer
    x = 43,159.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.