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Finding the Fourth Proportional to 1,824.39, 2,733.01 and 947.48

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Solution

The fourth proportional to 1,824.39, 2,733.01 and 947.48 is: 1,419.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824.39 : 2,733.01 = 947.48 : x
  2. Step 2: Convert to fraction form
    1,824.39/2,733.01 = 947.48/x
  3. Step 3: Cross multiply
    1,824.39x = 2,733.01 × 947.48
  4. Step 4: Simplify right side
    1,824.39x = 2,589,456.28
  5. Step 5: Solve for x
    x = 2,589,456.28/1,824.39
  6. Step 6: Final answer
    x = 1,419.35

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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.