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Finding the Fourth Proportional to 5,556,347.22, 8,328,837.39 and 3,759,420.42

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Solution

The fourth proportional to 5,556,347.22, 8,328,837.39 and 3,759,420.42 is: 5,635,285.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556,347.22 : 8,328,837.39 = 3,759,420.42 : x
  2. Step 2: Convert to fraction form
    5,556,347.22/8,328,837.39 = 3,759,420.42/x
  3. Step 3: Cross multiply
    5,556,347.22x = 8,328,837.39 × 3,759,420.42
  4. Step 4: Simplify right side
    5,556,347.22x = 31,311,601,358,825.50
  5. Step 5: Solve for x
    x = 31,311,601,358,825.50/5,556,347.22
  6. Step 6: Final answer
    x = 5,635,285.22

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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.