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Finding the Fourth Proportional to 1,724.54, 2,381.54 and 1,474.40

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Solution

The fourth proportional to 1,724.54, 2,381.54 and 1,474.40 is: 2,036.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.54 : 2,381.54 = 1,474.40 : x
  2. Step 2: Convert to fraction form
    1,724.54/2,381.54 = 1,474.40/x
  3. Step 3: Cross multiply
    1,724.54x = 2,381.54 × 1,474.40
  4. Step 4: Simplify right side
    1,724.54x = 3,511,342.58
  5. Step 5: Solve for x
    x = 3,511,342.58/1,724.54
  6. Step 6: Final answer
    x = 2,036.10

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1.5x scale

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.