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Finding the Fourth Proportional to 9,998.18, 14,995.43 and 3,671.68

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Solution

The fourth proportional to 9,998.18, 14,995.43 and 3,671.68 is: 5,506.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,998.18 : 14,995.43 = 3,671.68 : x
  2. Step 2: Convert to fraction form
    9,998.18/14,995.43 = 3,671.68/x
  3. Step 3: Cross multiply
    9,998.18x = 14,995.43 × 3,671.68
  4. Step 4: Simplify right side
    9,998.18x = 55,058,378.34
  5. Step 5: Solve for x
    x = 55,058,378.34/9,998.18
  6. Step 6: Final answer
    x = 5,506.84

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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.