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Finding the Fourth Proportional to 7,259.78, 10,889.63 and 4,794.01

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Solution

The fourth proportional to 7,259.78, 10,889.63 and 4,794.01 is: 7,190.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,259.78 : 10,889.63 = 4,794.01 : x
  2. Step 2: Convert to fraction form
    7,259.78/10,889.63 = 4,794.01/x
  3. Step 3: Cross multiply
    7,259.78x = 10,889.63 × 4,794.01
  4. Step 4: Simplify right side
    7,259.78x = 52,205,020.71
  5. Step 5: Solve for x
    x = 52,205,020.71/7,259.78
  6. Step 6: Final answer
    x = 7,190.99

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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.