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Finding the Fourth Proportional to 7,293,572.91, 10,940,825.93 and 2,805,848.91

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Solution

The fourth proportional to 7,293,572.91, 10,940,825.93 and 2,805,848.91 is: 4,208,952.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,293,572.91 : 10,940,825.93 = 2,805,848.91 : x
  2. Step 2: Convert to fraction form
    7,293,572.91/10,940,825.93 = 2,805,848.91/x
  3. Step 3: Cross multiply
    7,293,572.91x = 10,940,825.93 × 2,805,848.91
  4. Step 4: Simplify right side
    7,293,572.91x = 30,698,304,496,161.00
  5. Step 5: Solve for x
    x = 30,698,304,496,161.00/7,293,572.91
  6. Step 6: Final answer
    x = 4,208,952.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.