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Finding the Fourth Proportional to 3,365.48, 5,048.48 and 1,025.69

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Solution

The fourth proportional to 3,365.48, 5,048.48 and 1,025.69 is: 1,538.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365.48 : 5,048.48 = 1,025.69 : x
  2. Step 2: Convert to fraction form
    3,365.48/5,048.48 = 1,025.69/x
  3. Step 3: Cross multiply
    3,365.48x = 5,048.48 × 1,025.69
  4. Step 4: Simplify right side
    3,365.48x = 5,178,181.17
  5. Step 5: Solve for x
    x = 5,178,181.17/3,365.48
  6. Step 6: Final answer
    x = 1,538.61

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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.