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Finding the Fourth Proportional to 4,769.94, 7,155.36 and 1,259.94

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Solution

The fourth proportional to 4,769.94, 7,155.36 and 1,259.94 is: 1,890.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,769.94 : 7,155.36 = 1,259.94 : x
  2. Step 2: Convert to fraction form
    4,769.94/7,155.36 = 1,259.94/x
  3. Step 3: Cross multiply
    4,769.94x = 7,155.36 × 1,259.94
  4. Step 4: Simplify right side
    4,769.94x = 9,015,324.28
  5. Step 5: Solve for x
    x = 9,015,324.28/4,769.94
  6. Step 6: Final answer
    x = 1,890.03

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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.