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Finding the Fourth Proportional to 5,751,239.34, 7,936,433.30 and 3,137,587.86

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Solution

The fourth proportional to 5,751,239.34, 7,936,433.30 and 3,137,587.86 is: 4,329,720.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,751,239.34 : 7,936,433.30 = 3,137,587.86 : x
  2. Step 2: Convert to fraction form
    5,751,239.34/7,936,433.30 = 3,137,587.86/x
  3. Step 3: Cross multiply
    5,751,239.34x = 7,936,433.30 × 3,137,587.86
  4. Step 4: Simplify right side
    5,751,239.34x = 24,901,256,773,779.74
  5. Step 5: Solve for x
    x = 24,901,256,773,779.74/5,751,239.34
  6. Step 6: Final answer
    x = 4,329,720.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.