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Finding the Fourth Proportional to 7,259.99, 10,890.89 and 6,263.07

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Solution

The fourth proportional to 7,259.99, 10,890.89 and 6,263.07 is: 9,395.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,259.99 : 10,890.89 = 6,263.07 : x
  2. Step 2: Convert to fraction form
    7,259.99/10,890.89 = 6,263.07/x
  3. Step 3: Cross multiply
    7,259.99x = 10,890.89 × 6,263.07
  4. Step 4: Simplify right side
    7,259.99x = 68,210,375.12
  5. Step 5: Solve for x
    x = 68,210,375.12/7,259.99
  6. Step 6: Final answer
    x = 9,395.39

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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.