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Finding the Fourth Proportional to 10,842.03, 16,269.19 and 4,998.64

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Solution

The fourth proportional to 10,842.03, 16,269.19 and 4,998.64 is: 7,500.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,842.03 : 16,269.19 = 4,998.64 : x
  2. Step 2: Convert to fraction form
    10,842.03/16,269.19 = 4,998.64/x
  3. Step 3: Cross multiply
    10,842.03x = 16,269.19 × 4,998.64
  4. Step 4: Simplify right side
    10,842.03x = 81,323,823.90
  5. Step 5: Solve for x
    x = 81,323,823.90/10,842.03
  6. Step 6: Final answer
    x = 7,500.79

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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.