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Finding the Fourth Proportional to 7,059.55, 10,590.30 and 2,380.90

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Solution

The fourth proportional to 7,059.55, 10,590.30 and 2,380.90 is: 3,571.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,059.55 : 10,590.30 = 2,380.90 : x
  2. Step 2: Convert to fraction form
    7,059.55/10,590.30 = 2,380.90/x
  3. Step 3: Cross multiply
    7,059.55x = 10,590.30 × 2,380.90
  4. Step 4: Simplify right side
    7,059.55x = 25,214,445.27
  5. Step 5: Solve for x
    x = 25,214,445.27/7,059.55
  6. Step 6: Final answer
    x = 3,571.68

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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.