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Finding the Fourth Proportional to 5,349,747.63, 7,382,650.86 and 3,057,957.54

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Solution

The fourth proportional to 5,349,747.63, 7,382,650.86 and 3,057,957.54 is: 4,219,980.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,349,747.63 : 7,382,650.86 = 3,057,957.54 : x
  2. Step 2: Convert to fraction form
    5,349,747.63/7,382,650.86 = 3,057,957.54/x
  3. Step 3: Cross multiply
    5,349,747.63x = 7,382,650.86 × 3,057,957.54
  4. Step 4: Simplify right side
    5,349,747.63x = 22,575,832,862,524.48
  5. Step 5: Solve for x
    x = 22,575,832,862,524.48/5,349,747.63
  6. Step 6: Final answer
    x = 4,219,980.91

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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.