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Finding the Fourth Proportional to 8,296.42, 11,445.42 and 5,460.14

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Solution

The fourth proportional to 8,296.42, 11,445.42 and 5,460.14 is: 7,532.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,296.42 : 11,445.42 = 5,460.14 : x
  2. Step 2: Convert to fraction form
    8,296.42/11,445.42 = 5,460.14/x
  3. Step 3: Cross multiply
    8,296.42x = 11,445.42 × 5,460.14
  4. Step 4: Simplify right side
    8,296.42x = 62,493,595.56
  5. Step 5: Solve for x
    x = 62,493,595.56/8,296.42
  6. Step 6: Final answer
    x = 7,532.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.