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Finding the Fourth Proportional to 3,484.05, 5,226.06 and 886.98

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Solution

The fourth proportional to 3,484.05, 5,226.06 and 886.98 is: 1,330.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,484.05 : 5,226.06 = 886.98 : x
  2. Step 2: Convert to fraction form
    3,484.05/5,226.06 = 886.98/x
  3. Step 3: Cross multiply
    3,484.05x = 5,226.06 × 886.98
  4. Step 4: Simplify right side
    3,484.05x = 4,635,410.70
  5. Step 5: Solve for x
    x = 4,635,410.70/3,484.05
  6. Step 6: Final answer
    x = 1,330.47

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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.