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Finding the Fourth Proportional to 58,364.38, 87,573.91 and 28,766.07

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Solution

The fourth proportional to 58,364.38, 87,573.91 and 28,766.07 is: 43,162.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,364.38 : 87,573.91 = 28,766.07 : x
  2. Step 2: Convert to fraction form
    58,364.38/87,573.91 = 28,766.07/x
  3. Step 3: Cross multiply
    58,364.38x = 87,573.91 × 28,766.07
  4. Step 4: Simplify right side
    58,364.38x = 2,519,157,153.32
  5. Step 5: Solve for x
    x = 2,519,157,153.32/58,364.38
  6. Step 6: Final answer
    x = 43,162.58

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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.