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Finding the Fourth Proportional to 25,651.40, 38,477.10 and 22,195.40

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Solution

The fourth proportional to 25,651.40, 38,477.10 and 22,195.40 is: 33,293.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,651.40 : 38,477.10 = 22,195.40 : x
  2. Step 2: Convert to fraction form
    25,651.40/38,477.10 = 22,195.40/x
  3. Step 3: Cross multiply
    25,651.40x = 38,477.10 × 22,195.40
  4. Step 4: Simplify right side
    25,651.40x = 854,014,625.34
  5. Step 5: Solve for x
    x = 854,014,625.34/25,651.40
  6. Step 6: Final answer
    x = 33,293.10

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Double scale
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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.