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Finding the Fourth Proportional to 7,574.42, 11,359.85 and 2,892.71

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Solution

The fourth proportional to 7,574.42, 11,359.85 and 2,892.71 is: 4,338.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,574.42 : 11,359.85 = 2,892.71 : x
  2. Step 2: Convert to fraction form
    7,574.42/11,359.85 = 2,892.71/x
  3. Step 3: Cross multiply
    7,574.42x = 11,359.85 × 2,892.71
  4. Step 4: Simplify right side
    7,574.42x = 32,860,680.43
  5. Step 5: Solve for x
    x = 32,860,680.43/7,574.42
  6. Step 6: Final answer
    x = 4,338.38

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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.