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Finding the Fourth Proportional to 8,995.52, 13,494.54 and 2,421.92

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Solution

The fourth proportional to 8,995.52, 13,494.54 and 2,421.92 is: 3,633.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,995.52 : 13,494.54 = 2,421.92 : x
  2. Step 2: Convert to fraction form
    8,995.52/13,494.54 = 2,421.92/x
  3. Step 3: Cross multiply
    8,995.52x = 13,494.54 × 2,421.92
  4. Step 4: Simplify right side
    8,995.52x = 32,682,696.32
  5. Step 5: Solve for x
    x = 32,682,696.32/8,995.52
  6. Step 6: Final answer
    x = 3,633.22

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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.