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Finding the Fourth Proportional to 32,989.44, 49,484.16 and 27,128.28

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Solution

The fourth proportional to 32,989.44, 49,484.16 and 27,128.28 is: 40,692.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,989.44 : 49,484.16 = 27,128.28 : x
  2. Step 2: Convert to fraction form
    32,989.44/49,484.16 = 27,128.28/x
  3. Step 3: Cross multiply
    32,989.44x = 49,484.16 × 27,128.28
  4. Step 4: Simplify right side
    32,989.44x = 1,342,420,148.04
  5. Step 5: Solve for x
    x = 1,342,420,148.04/32,989.44
  6. Step 6: Final answer
    x = 40,692.42

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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.