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Finding the Fourth Proportional to 7,262.42, 10,898.46 and 2,645.42

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Solution

The fourth proportional to 7,262.42, 10,898.46 and 2,645.42 is: 3,969.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,262.42 : 10,898.46 = 2,645.42 : x
  2. Step 2: Convert to fraction form
    7,262.42/10,898.46 = 2,645.42/x
  3. Step 3: Cross multiply
    7,262.42x = 10,898.46 × 2,645.42
  4. Step 4: Simplify right side
    7,262.42x = 28,831,004.05
  5. Step 5: Solve for x
    x = 28,831,004.05/7,262.42
  6. Step 6: Final answer
    x = 3,969.89

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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.