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Finding the Fourth Proportional to 9,999.62, 14,999.24 and 2,984.39

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Solution

The fourth proportional to 9,999.62, 14,999.24 and 2,984.39 is: 4,476.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,999.62 : 14,999.24 = 2,984.39 : x
  2. Step 2: Convert to fraction form
    9,999.62/14,999.24 = 2,984.39/x
  3. Step 3: Cross multiply
    9,999.62x = 14,999.24 × 2,984.39
  4. Step 4: Simplify right side
    9,999.62x = 44,763,581.86
  5. Step 5: Solve for x
    x = 44,763,581.86/9,999.62
  6. Step 6: Final answer
    x = 4,476.53

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1.5x scale

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.