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Finding the Fourth Proportional to 9,353.79, 14,018.54 and 8,161.92

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Solution

The fourth proportional to 9,353.79, 14,018.54 and 8,161.92 is: 12,232.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,353.79 : 14,018.54 = 8,161.92 : x
  2. Step 2: Convert to fraction form
    9,353.79/14,018.54 = 8,161.92/x
  3. Step 3: Cross multiply
    9,353.79x = 14,018.54 × 8,161.92
  4. Step 4: Simplify right side
    9,353.79x = 114,418,161.19
  5. Step 5: Solve for x
    x = 114,418,161.19/9,353.79
  6. Step 6: Final answer
    x = 12,232.28

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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.