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Finding the Fourth Proportional to 22,995.71, 34,493.55 and 6,128.72

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Solution

The fourth proportional to 22,995.71, 34,493.55 and 6,128.72 is: 9,193.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,995.71 : 34,493.55 = 6,128.72 : x
  2. Step 2: Convert to fraction form
    22,995.71/34,493.55 = 6,128.72/x
  3. Step 3: Cross multiply
    22,995.71x = 34,493.55 × 6,128.72
  4. Step 4: Simplify right side
    22,995.71x = 211,401,137.29
  5. Step 5: Solve for x
    x = 211,401,137.29/22,995.71
  6. Step 6: Final answer
    x = 9,193.07

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Similar ratio
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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.