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Finding the Fourth Proportional to 29,999.24, 44,998.24 and 7,812.12

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Solution

The fourth proportional to 29,999.24, 44,998.24 and 7,812.12 is: 11,718.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,999.24 : 44,998.24 = 7,812.12 : x
  2. Step 2: Convert to fraction form
    29,999.24/44,998.24 = 7,812.12/x
  3. Step 3: Cross multiply
    29,999.24x = 44,998.24 × 7,812.12
  4. Step 4: Simplify right side
    29,999.24x = 351,531,650.67
  5. Step 5: Solve for x
    x = 351,531,650.67/29,999.24
  6. Step 6: Final answer
    x = 11,718.02

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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.