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Finding the Fourth Proportional to 6,539.99, 9,025.12 and 4,868.87

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Solution

The fourth proportional to 6,539.99, 9,025.12 and 4,868.87 is: 6,718.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,539.99 : 9,025.12 = 4,868.87 : x
  2. Step 2: Convert to fraction form
    6,539.99/9,025.12 = 4,868.87/x
  3. Step 3: Cross multiply
    6,539.99x = 9,025.12 × 4,868.87
  4. Step 4: Simplify right side
    6,539.99x = 43,942,136.01
  5. Step 5: Solve for x
    x = 43,942,136.01/6,539.99
  6. Step 6: Final answer
    x = 6,718.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.