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Finding the Fourth Proportional to 5,817.69, 8,726.63 and 5,522.31

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Solution

The fourth proportional to 5,817.69, 8,726.63 and 5,522.31 is: 8,283.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,817.69 : 8,726.63 = 5,522.31 : x
  2. Step 2: Convert to fraction form
    5,817.69/8,726.63 = 5,522.31/x
  3. Step 3: Cross multiply
    5,817.69x = 8,726.63 × 5,522.31
  4. Step 4: Simplify right side
    5,817.69x = 48,191,156.12
  5. Step 5: Solve for x
    x = 48,191,156.12/5,817.69
  6. Step 6: Final answer
    x = 8,283.56

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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.