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Finding the Fourth Proportional to 9,998.16, 13,792.02 and 6,968.49

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Solution

The fourth proportional to 9,998.16, 13,792.02 and 6,968.49 is: 9,612.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,998.16 : 13,792.02 = 6,968.49 : x
  2. Step 2: Convert to fraction form
    9,998.16/13,792.02 = 6,968.49/x
  3. Step 3: Cross multiply
    9,998.16x = 13,792.02 × 6,968.49
  4. Step 4: Simplify right side
    9,998.16x = 96,109,553.45
  5. Step 5: Solve for x
    x = 96,109,553.45/9,998.16
  6. Step 6: Final answer
    x = 9,612.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.