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Finding the Fourth Proportional to 8,604.48, 11,865.60 and 5,462.40

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Solution

The fourth proportional to 8,604.48, 11,865.60 and 5,462.40 is: 7,532.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,604.48 : 11,865.60 = 5,462.40 : x
  2. Step 2: Convert to fraction form
    8,604.48/11,865.60 = 5,462.40/x
  3. Step 3: Cross multiply
    8,604.48x = 11,865.60 × 5,462.40
  4. Step 4: Simplify right side
    8,604.48x = 64,814,653.44
  5. Step 5: Solve for x
    x = 64,814,653.44/8,604.48
  6. Step 6: Final answer
    x = 7,532.66

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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.