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Finding the Fourth Proportional to 19,297.52, 26,630.88 and 11,340.80

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Solution

The fourth proportional to 19,297.52, 26,630.88 and 11,340.80 is: 15,650.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,297.52 : 26,630.88 = 11,340.80 : x
  2. Step 2: Convert to fraction form
    19,297.52/26,630.88 = 11,340.80/x
  3. Step 3: Cross multiply
    19,297.52x = 26,630.88 × 11,340.80
  4. Step 4: Simplify right side
    19,297.52x = 302,015,483.90
  5. Step 5: Solve for x
    x = 302,015,483.90/19,297.52
  6. Step 6: Final answer
    x = 15,650.48

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Similar ratio
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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.