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Finding the Fourth Proportional to 10,571.15, 14,554.99 and 8,974.49

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Solution

The fourth proportional to 10,571.15, 14,554.99 and 8,974.49 is: 12,356.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,571.15 : 14,554.99 = 8,974.49 : x
  2. Step 2: Convert to fraction form
    10,571.15/14,554.99 = 8,974.49/x
  3. Step 3: Cross multiply
    10,571.15x = 14,554.99 × 8,974.49
  4. Step 4: Simplify right side
    10,571.15x = 130,623,612.21
  5. Step 5: Solve for x
    x = 130,623,612.21/10,571.15
  6. Step 6: Final answer
    x = 12,356.61

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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.