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Finding the Fourth Proportional to 5,607.54, 8,412.62 and 1,711.91

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Solution

The fourth proportional to 5,607.54, 8,412.62 and 1,711.91 is: 2,568.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,607.54 : 8,412.62 = 1,711.91 : x
  2. Step 2: Convert to fraction form
    5,607.54/8,412.62 = 1,711.91/x
  3. Step 3: Cross multiply
    5,607.54x = 8,412.62 × 1,711.91
  4. Step 4: Simplify right side
    5,607.54x = 14,401,648.30
  5. Step 5: Solve for x
    x = 14,401,648.30/5,607.54
  6. Step 6: Final answer
    x = 2,568.26

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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.