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Finding the Fourth Proportional to 9,418.32, 14,116.32 and 3,865.32

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Solution

The fourth proportional to 9,418.32, 14,116.32 and 3,865.32 is: 5,793.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418.32 : 14,116.32 = 3,865.32 : x
  2. Step 2: Convert to fraction form
    9,418.32/14,116.32 = 3,865.32/x
  3. Step 3: Cross multiply
    9,418.32x = 14,116.32 × 3,865.32
  4. Step 4: Simplify right side
    9,418.32x = 54,564,094.02
  5. Step 5: Solve for x
    x = 54,564,094.02/9,418.32
  6. Step 6: Final answer
    x = 5,793.40

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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.