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Finding the Fourth Proportional to 7,850.68, 11,776.04 and 1,927.59

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Solution

The fourth proportional to 7,850.68, 11,776.04 and 1,927.59 is: 2,891.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,850.68 : 11,776.04 = 1,927.59 : x
  2. Step 2: Convert to fraction form
    7,850.68/11,776.04 = 1,927.59/x
  3. Step 3: Cross multiply
    7,850.68x = 11,776.04 × 1,927.59
  4. Step 4: Simplify right side
    7,850.68x = 22,699,381.76
  5. Step 5: Solve for x
    x = 22,699,381.76/7,850.68
  6. Step 6: Final answer
    x = 2,891.39

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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.