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Finding the Fourth Proportional to 12,362.01, 18,544.15 and 4,042.06

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Solution

The fourth proportional to 12,362.01, 18,544.15 and 4,042.06 is: 6,063.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,362.01 : 18,544.15 = 4,042.06 : x
  2. Step 2: Convert to fraction form
    12,362.01/18,544.15 = 4,042.06/x
  3. Step 3: Cross multiply
    12,362.01x = 18,544.15 × 4,042.06
  4. Step 4: Simplify right side
    12,362.01x = 74,956,566.95
  5. Step 5: Solve for x
    x = 74,956,566.95/12,362.01
  6. Step 6: Final answer
    x = 6,063.46

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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.