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Finding the Fourth Proportional to 61,879.44, 92,735.28 and 28,526.16

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Solution

The fourth proportional to 61,879.44, 92,735.28 and 28,526.16 is: 42,750.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,879.44 : 92,735.28 = 28,526.16 : x
  2. Step 2: Convert to fraction form
    61,879.44/92,735.28 = 28,526.16/x
  3. Step 3: Cross multiply
    61,879.44x = 92,735.28 × 28,526.16
  4. Step 4: Simplify right side
    61,879.44x = 2,645,381,434.92
  5. Step 5: Solve for x
    x = 2,645,381,434.92/61,879.44
  6. Step 6: Final answer
    x = 42,750.57

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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.