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Finding the Fourth Proportional to 8,346.54, 12,525.93 and 4,185.39

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Solution

The fourth proportional to 8,346.54, 12,525.93 and 4,185.39 is: 6,281.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,346.54 : 12,525.93 = 4,185.39 : x
  2. Step 2: Convert to fraction form
    8,346.54/12,525.93 = 4,185.39/x
  3. Step 3: Cross multiply
    8,346.54x = 12,525.93 × 4,185.39
  4. Step 4: Simplify right side
    8,346.54x = 52,425,902.16
  5. Step 5: Solve for x
    x = 52,425,902.16/8,346.54
  6. Step 6: Final answer
    x = 6,281.15

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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.