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Finding the Fourth Proportional to 10,756.28, 14,850.81 and 7,926.84

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Solution

The fourth proportional to 10,756.28, 14,850.81 and 7,926.84 is: 10,944.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,756.28 : 14,850.81 = 7,926.84 : x
  2. Step 2: Convert to fraction form
    10,756.28/14,850.81 = 7,926.84/x
  3. Step 3: Cross multiply
    10,756.28x = 14,850.81 × 7,926.84
  4. Step 4: Simplify right side
    10,756.28x = 117,719,994.74
  5. Step 5: Solve for x
    x = 117,719,994.74/10,756.28
  6. Step 6: Final answer
    x = 10,944.31

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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.