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Finding the Fourth Proportional to 8,962.32, 13,444.32 and 2,388.90

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Solution

The fourth proportional to 8,962.32, 13,444.32 and 2,388.90 is: 3,583.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,962.32 : 13,444.32 = 2,388.90 : x
  2. Step 2: Convert to fraction form
    8,962.32/13,444.32 = 2,388.90/x
  3. Step 3: Cross multiply
    8,962.32x = 13,444.32 × 2,388.90
  4. Step 4: Simplify right side
    8,962.32x = 32,117,136.05
  5. Step 5: Solve for x
    x = 32,117,136.05/8,962.32
  6. Step 6: Final answer
    x = 3,583.57

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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.