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Finding the Fourth Proportional to 8,817.30, 13,225.95 and 5,369.94

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Solution

The fourth proportional to 8,817.30, 13,225.95 and 5,369.94 is: 8,054.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817.30 : 13,225.95 = 5,369.94 : x
  2. Step 2: Convert to fraction form
    8,817.30/13,225.95 = 5,369.94/x
  3. Step 3: Cross multiply
    8,817.30x = 13,225.95 × 5,369.94
  4. Step 4: Simplify right side
    8,817.30x = 71,022,557.94
  5. Step 5: Solve for x
    x = 71,022,557.94/8,817.30
  6. Step 6: Final answer
    x = 8,054.91

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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.