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Finding the Fourth Proportional to 5,614.70, 8,419.07 and 1,718.06

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Solution

The fourth proportional to 5,614.70, 8,419.07 and 1,718.06 is: 2,576.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,614.70 : 8,419.07 = 1,718.06 : x
  2. Step 2: Convert to fraction form
    5,614.70/8,419.07 = 1,718.06/x
  3. Step 3: Cross multiply
    5,614.70x = 8,419.07 × 1,718.06
  4. Step 4: Simplify right side
    5,614.70x = 14,464,416.72
  5. Step 5: Solve for x
    x = 14,464,416.72/5,614.70
  6. Step 6: Final answer
    x = 2,576.17

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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.