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Finding the Fourth Proportional to 61,798.26, 92,697.39 and 28,508.48

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Solution

The fourth proportional to 61,798.26, 92,697.39 and 28,508.48 is: 42,762.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,798.26 : 92,697.39 = 28,508.48 : x
  2. Step 2: Convert to fraction form
    61,798.26/92,697.39 = 28,508.48/x
  3. Step 3: Cross multiply
    61,798.26x = 92,697.39 × 28,508.48
  4. Step 4: Simplify right side
    61,798.26x = 2,642,661,688.87
  5. Step 5: Solve for x
    x = 2,642,661,688.87/61,798.26
  6. Step 6: Final answer
    x = 42,762.72

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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.