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Finding the Fourth Proportional to 3,259.68, 4,889.47 and 794.50

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Solution

The fourth proportional to 3,259.68, 4,889.47 and 794.50 is: 1,191.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,259.68 : 4,889.47 = 794.50 : x
  2. Step 2: Convert to fraction form
    3,259.68/4,889.47 = 794.50/x
  3. Step 3: Cross multiply
    3,259.68x = 4,889.47 × 794.50
  4. Step 4: Simplify right side
    3,259.68x = 3,884,683.92
  5. Step 5: Solve for x
    x = 3,884,683.92/3,259.68
  6. Step 6: Final answer
    x = 1,191.74

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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.