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Finding the Fourth Proportional to 58,363.07, 87,571.94 and 28,764.77

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Solution

The fourth proportional to 58,363.07, 87,571.94 and 28,764.77 is: 43,160.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,363.07 : 87,571.94 = 28,764.77 : x
  2. Step 2: Convert to fraction form
    58,363.07/87,571.94 = 28,764.77/x
  3. Step 3: Cross multiply
    58,363.07x = 87,571.94 × 28,764.77
  4. Step 4: Simplify right side
    58,363.07x = 2,518,986,130.87
  5. Step 5: Solve for x
    x = 2,518,986,130.87/58,363.07
  6. Step 6: Final answer
    x = 43,160.62

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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.