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Finding the Fourth Proportional to 61,797.12, 92,624.28 and 28,447.26

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Solution

The fourth proportional to 61,797.12, 92,624.28 and 28,447.26 is: 42,638.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,797.12 : 92,624.28 = 28,447.26 : x
  2. Step 2: Convert to fraction form
    61,797.12/92,624.28 = 28,447.26/x
  3. Step 3: Cross multiply
    61,797.12x = 92,624.28 × 28,447.26
  4. Step 4: Simplify right side
    61,797.12x = 2,634,906,975.47
  5. Step 5: Solve for x
    x = 2,634,906,975.47/61,797.12
  6. Step 6: Final answer
    x = 42,638.02

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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.