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Finding the Fourth Proportional to 1,219.94, 1,826.74 and 1,024.49

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Solution

The fourth proportional to 1,219.94, 1,826.74 and 1,024.49 is: 1,534.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219.94 : 1,826.74 = 1,024.49 : x
  2. Step 2: Convert to fraction form
    1,219.94/1,826.74 = 1,024.49/x
  3. Step 3: Cross multiply
    1,219.94x = 1,826.74 × 1,024.49
  4. Step 4: Simplify right side
    1,219.94x = 1,871,465.17
  5. Step 5: Solve for x
    x = 1,871,465.17/1,219.94
  6. Step 6: Final answer
    x = 1,534.07

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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.