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Finding the Fourth Proportional to 65,904, 98,856.48 and 16,656

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Solution

The fourth proportional to 65,904, 98,856.48 and 16,656 is: 24,984.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,904 : 98,856.48 = 16,656 : x
  2. Step 2: Convert to fraction form
    65,904/98,856.48 = 16,656/x
  3. Step 3: Cross multiply
    65,904x = 98,856.48 × 16,656
  4. Step 4: Simplify right side
    65,904x = 1,646,553,530.88
  5. Step 5: Solve for x
    x = 1,646,553,530.88/65,904
  6. Step 6: Final answer
    x = 24,984.12

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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.