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Finding the Fourth Proportional to 6,967,595.93, 9,615,035.63 and 3,911,938.97

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Solution

The fourth proportional to 6,967,595.93, 9,615,035.63 and 3,911,938.97 is: 5,398,337.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,967,595.93 : 9,615,035.63 = 3,911,938.97 : x
  2. Step 2: Convert to fraction form
    6,967,595.93/9,615,035.63 = 3,911,938.97/x
  3. Step 3: Cross multiply
    6,967,595.93x = 9,615,035.63 × 3,911,938.97
  4. Step 4: Simplify right side
    6,967,595.93x = 37,613,432,559,375.80
  5. Step 5: Solve for x
    x = 37,613,432,559,375.80/6,967,595.93
  6. Step 6: Final answer
    x = 5,398,337.24

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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.