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Finding the Fourth Proportional to 8,395.55, 12,584.09 and 3,462.50

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Solution

The fourth proportional to 8,395.55, 12,584.09 and 3,462.50 is: 5,189.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,395.55 : 12,584.09 = 3,462.50 : x
  2. Step 2: Convert to fraction form
    8,395.55/12,584.09 = 3,462.50/x
  3. Step 3: Cross multiply
    8,395.55x = 12,584.09 × 3,462.50
  4. Step 4: Simplify right side
    8,395.55x = 43,572,357.36
  5. Step 5: Solve for x
    x = 43,572,357.36/8,395.55
  6. Step 6: Final answer
    x = 5,189.93

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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.