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Finding the Fourth Proportional to 7,194,673.51, 9,929,215.45 and 4,097,327.93

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Solution

The fourth proportional to 7,194,673.51, 9,929,215.45 and 4,097,327.93 is: 5,654,634.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,194,673.51 : 9,929,215.45 = 4,097,327.93 : x
  2. Step 2: Convert to fraction form
    7,194,673.51/9,929,215.45 = 4,097,327.93/x
  3. Step 3: Cross multiply
    7,194,673.51x = 9,929,215.45 × 4,097,327.93
  4. Step 4: Simplify right side
    7,194,673.51x = 40,683,251,786,272.52
  5. Step 5: Solve for x
    x = 40,683,251,786,272.52/7,194,673.51
  6. Step 6: Final answer
    x = 5,654,634.88

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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.