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Finding the Fourth Proportional to 60,894.75, 91,353.65 and 28,062.75

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Solution

The fourth proportional to 60,894.75, 91,353.65 and 28,062.75 is: 42,099.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,894.75 : 91,353.65 = 28,062.75 : x
  2. Step 2: Convert to fraction form
    60,894.75/91,353.65 = 28,062.75/x
  3. Step 3: Cross multiply
    60,894.75x = 91,353.65 × 28,062.75
  4. Step 4: Simplify right side
    60,894.75x = 2,563,634,501.22
  5. Step 5: Solve for x
    x = 2,563,634,501.22/60,894.75
  6. Step 6: Final answer
    x = 42,099.43

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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.