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Finding the Fourth Proportional to 1,503.76, 2,224.96 and 1,499.44

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Solution

The fourth proportional to 1,503.76, 2,224.96 and 1,499.44 is: 2,218.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503.76 : 2,224.96 = 1,499.44 : x
  2. Step 2: Convert to fraction form
    1,503.76/2,224.96 = 1,499.44/x
  3. Step 3: Cross multiply
    1,503.76x = 2,224.96 × 1,499.44
  4. Step 4: Simplify right side
    1,503.76x = 3,336,194.02
  5. Step 5: Solve for x
    x = 3,336,194.02/1,503.76
  6. Step 6: Final answer
    x = 2,218.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.