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Finding the Fourth Proportional to 2,193.84, 3,024.54 and 1,406.52

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Solution

The fourth proportional to 2,193.84, 3,024.54 and 1,406.52 is: 1,939.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.84 : 3,024.54 = 1,406.52 : x
  2. Step 2: Convert to fraction form
    2,193.84/3,024.54 = 1,406.52/x
  3. Step 3: Cross multiply
    2,193.84x = 3,024.54 × 1,406.52
  4. Step 4: Simplify right side
    2,193.84x = 4,254,076.00
  5. Step 5: Solve for x
    x = 4,254,076.00/2,193.84
  6. Step 6: Final answer
    x = 1,939.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.