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Finding the Fourth Proportional to 29,998.85, 44,998.27 and 7,812.16

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Solution

The fourth proportional to 29,998.85, 44,998.27 and 7,812.16 is: 11,718.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,998.85 : 44,998.27 = 7,812.16 : x
  2. Step 2: Convert to fraction form
    29,998.85/44,998.27 = 7,812.16/x
  3. Step 3: Cross multiply
    29,998.85x = 44,998.27 × 7,812.16
  4. Step 4: Simplify right side
    29,998.85x = 351,533,684.96
  5. Step 5: Solve for x
    x = 351,533,684.96/29,998.85
  6. Step 6: Final answer
    x = 11,718.24

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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.