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Finding the Fourth Proportional to 5,658.81, 8,484.09 and 3,805.32

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Solution

The fourth proportional to 5,658.81, 8,484.09 and 3,805.32 is: 5,705.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,658.81 : 8,484.09 = 3,805.32 : x
  2. Step 2: Convert to fraction form
    5,658.81/8,484.09 = 3,805.32/x
  3. Step 3: Cross multiply
    5,658.81x = 8,484.09 × 3,805.32
  4. Step 4: Simplify right side
    5,658.81x = 32,284,677.36
  5. Step 5: Solve for x
    x = 32,284,677.36/5,658.81
  6. Step 6: Final answer
    x = 5,705.21

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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.