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Finding the Fourth Proportional to 12,353.96, 17,075.14 and 10,927.56

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Solution

The fourth proportional to 12,353.96, 17,075.14 and 10,927.56 is: 15,103.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,353.96 : 17,075.14 = 10,927.56 : x
  2. Step 2: Convert to fraction form
    12,353.96/17,075.14 = 10,927.56/x
  3. Step 3: Cross multiply
    12,353.96x = 17,075.14 × 10,927.56
  4. Step 4: Simplify right side
    12,353.96x = 186,589,616.86
  5. Step 5: Solve for x
    x = 186,589,616.86/12,353.96
  6. Step 6: Final answer
    x = 15,103.63

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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.