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Finding the Fourth Proportional to 65,847.78, 98,827.05 and 61,695.90

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Solution

The fourth proportional to 65,847.78, 98,827.05 and 61,695.90 is: 92,595.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,847.78 : 98,827.05 = 61,695.90 : x
  2. Step 2: Convert to fraction form
    65,847.78/98,827.05 = 61,695.90/x
  3. Step 3: Cross multiply
    65,847.78x = 98,827.05 × 61,695.90
  4. Step 4: Simplify right side
    65,847.78x = 6,097,223,794.10
  5. Step 5: Solve for x
    x = 6,097,223,794.10/65,847.78
  6. Step 6: Final answer
    x = 92,595.74

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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.