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Finding the Fourth Proportional to 3,472.60, 5,208.54 and 1,828.48

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Solution

The fourth proportional to 3,472.60, 5,208.54 and 1,828.48 is: 2,742.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.60 : 5,208.54 = 1,828.48 : x
  2. Step 2: Convert to fraction form
    3,472.60/5,208.54 = 1,828.48/x
  3. Step 3: Cross multiply
    3,472.60x = 5,208.54 × 1,828.48
  4. Step 4: Simplify right side
    3,472.60x = 9,523,711.22
  5. Step 5: Solve for x
    x = 9,523,711.22/3,472.60
  6. Step 6: Final answer
    x = 2,742.53

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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.