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Finding the Fourth Proportional to 5,913.86, 8,852.34 and 4,355.62

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Solution

The fourth proportional to 5,913.86, 8,852.34 and 4,355.62 is: 6,519.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.86 : 8,852.34 = 4,355.62 : x
  2. Step 2: Convert to fraction form
    5,913.86/8,852.34 = 4,355.62/x
  3. Step 3: Cross multiply
    5,913.86x = 8,852.34 × 4,355.62
  4. Step 4: Simplify right side
    5,913.86x = 38,557,448.65
  5. Step 5: Solve for x
    x = 38,557,448.65/5,913.86
  6. Step 6: Final answer
    x = 6,519.84

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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.