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Finding the Fourth Proportional to 4,865.54, 7,288.63 and 3,751.07

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Solution

The fourth proportional to 4,865.54, 7,288.63 and 3,751.07 is: 5,619.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,865.54 : 7,288.63 = 3,751.07 : x
  2. Step 2: Convert to fraction form
    4,865.54/7,288.63 = 3,751.07/x
  3. Step 3: Cross multiply
    4,865.54x = 7,288.63 × 3,751.07
  4. Step 4: Simplify right side
    4,865.54x = 27,340,115.51
  5. Step 5: Solve for x
    x = 27,340,115.51/4,865.54
  6. Step 6: Final answer
    x = 5,619.14

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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.