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Finding the Fourth Proportional to 9,409.67, 14,112.68 and 8,941.35

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Solution

The fourth proportional to 9,409.67, 14,112.68 and 8,941.35 is: 13,410.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,409.67 : 14,112.68 = 8,941.35 : x
  2. Step 2: Convert to fraction form
    9,409.67/14,112.68 = 8,941.35/x
  3. Step 3: Cross multiply
    9,409.67x = 14,112.68 × 8,941.35
  4. Step 4: Simplify right side
    9,409.67x = 126,186,366.61
  5. Step 5: Solve for x
    x = 126,186,366.61/9,409.67
  6. Step 6: Final answer
    x = 13,410.29

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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.