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Finding the Fourth Proportional to 5,926.21, 8,889.31 and 5,240.95

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Solution

The fourth proportional to 5,926.21, 8,889.31 and 5,240.95 is: 7,861.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,926.21 : 8,889.31 = 5,240.95 : x
  2. Step 2: Convert to fraction form
    5,926.21/8,889.31 = 5,240.95/x
  3. Step 3: Cross multiply
    5,926.21x = 8,889.31 × 5,240.95
  4. Step 4: Simplify right side
    5,926.21x = 46,588,429.24
  5. Step 5: Solve for x
    x = 46,588,429.24/5,926.21
  6. Step 6: Final answer
    x = 7,861.42

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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.