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Finding the Fourth Proportional to 65,616.54, 98,276.84 and 30,482.26

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Solution

The fourth proportional to 65,616.54, 98,276.84 and 30,482.26 is: 45,654.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,616.54 : 98,276.84 = 30,482.26 : x
  2. Step 2: Convert to fraction form
    65,616.54/98,276.84 = 30,482.26/x
  3. Step 3: Cross multiply
    65,616.54x = 98,276.84 × 30,482.26
  4. Step 4: Simplify right side
    65,616.54x = 2,995,700,188.86
  5. Step 5: Solve for x
    x = 2,995,700,188.86/65,616.54
  6. Step 6: Final answer
    x = 45,654.65

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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.