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Finding the Fourth Proportional to 3,368.59, 5,052.89 and 1,724.24

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Solution

The fourth proportional to 3,368.59, 5,052.89 and 1,724.24 is: 2,586.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.59 : 5,052.89 = 1,724.24 : x
  2. Step 2: Convert to fraction form
    3,368.59/5,052.89 = 1,724.24/x
  3. Step 3: Cross multiply
    3,368.59x = 5,052.89 × 1,724.24
  4. Step 4: Simplify right side
    3,368.59x = 8,712,386.00
  5. Step 5: Solve for x
    x = 8,712,386.00/3,368.59
  6. Step 6: Final answer
    x = 2,586.36

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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.