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Finding the Fourth Proportional to 3,652.52, 5,479.70 and 1,055.48

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Solution

The fourth proportional to 3,652.52, 5,479.70 and 1,055.48 is: 1,583.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,652.52 : 5,479.70 = 1,055.48 : x
  2. Step 2: Convert to fraction form
    3,652.52/5,479.70 = 1,055.48/x
  3. Step 3: Cross multiply
    3,652.52x = 5,479.70 × 1,055.48
  4. Step 4: Simplify right side
    3,652.52x = 5,783,713.76
  5. Step 5: Solve for x
    x = 5,783,713.76/3,652.52
  6. Step 6: Final answer
    x = 1,583.49

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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.