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Finding the Fourth Proportional to 6,967,898.07, 9,615,699.33 and 3,912,177.93

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Solution

The fourth proportional to 6,967,898.07, 9,615,699.33 and 3,912,177.93 is: 5,398,805.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,967,898.07 : 9,615,699.33 = 3,912,177.93 : x
  2. Step 2: Convert to fraction form
    6,967,898.07/9,615,699.33 = 3,912,177.93/x
  3. Step 3: Cross multiply
    6,967,898.07x = 9,615,699.33 × 3,912,177.93
  4. Step 4: Simplify right side
    6,967,898.07x = 37,618,326,700,341.79
  5. Step 5: Solve for x
    x = 37,618,326,700,341.79/6,967,898.07
  6. Step 6: Final answer
    x = 5,398,805.54

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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.