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Finding the Fourth Proportional to 7,380.10, 11,068.79 and 2,184.74

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Solution

The fourth proportional to 7,380.10, 11,068.79 and 2,184.74 is: 3,276.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380.10 : 11,068.79 = 2,184.74 : x
  2. Step 2: Convert to fraction form
    7,380.10/11,068.79 = 2,184.74/x
  3. Step 3: Cross multiply
    7,380.10x = 11,068.79 × 2,184.74
  4. Step 4: Simplify right side
    7,380.10x = 24,182,428.26
  5. Step 5: Solve for x
    x = 24,182,428.26/7,380.10
  6. Step 6: Final answer
    x = 3,276.71

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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.