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Finding the Fourth Proportional to 8,992.19, 13,488.41 and 3,445.82

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Solution

The fourth proportional to 8,992.19, 13,488.41 and 3,445.82 is: 5,168.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,992.19 : 13,488.41 = 3,445.82 : x
  2. Step 2: Convert to fraction form
    8,992.19/13,488.41 = 3,445.82/x
  3. Step 3: Cross multiply
    8,992.19x = 13,488.41 × 3,445.82
  4. Step 4: Simplify right side
    8,992.19x = 46,478,548.28
  5. Step 5: Solve for x
    x = 46,478,548.28/8,992.19
  6. Step 6: Final answer
    x = 5,168.77

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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.