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Finding the Fourth Proportional to 7,188.96, 10,784.67 and 3,293.70

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Solution

The fourth proportional to 7,188.96, 10,784.67 and 3,293.70 is: 4,941.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,188.96 : 10,784.67 = 3,293.70 : x
  2. Step 2: Convert to fraction form
    7,188.96/10,784.67 = 3,293.70/x
  3. Step 3: Cross multiply
    7,188.96x = 10,784.67 × 3,293.70
  4. Step 4: Simplify right side
    7,188.96x = 35,521,467.58
  5. Step 5: Solve for x
    x = 35,521,467.58/7,188.96
  6. Step 6: Final answer
    x = 4,941.11

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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.