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Finding the Fourth Proportional to 7,849,376.42, 11,774,064.83 and 2,458,448.82

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Solution

The fourth proportional to 7,849,376.42, 11,774,064.83 and 2,458,448.82 is: 3,687,673.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,849,376.42 : 11,774,064.83 = 2,458,448.82 : x
  2. Step 2: Convert to fraction form
    7,849,376.42/11,774,064.83 = 2,458,448.82/x
  3. Step 3: Cross multiply
    7,849,376.42x = 11,774,064.83 × 2,458,448.82
  4. Step 4: Simplify right side
    7,849,376.42x = 28,945,935,775,624.75
  5. Step 5: Solve for x
    x = 28,945,935,775,624.75/7,849,376.42
  6. Step 6: Final answer
    x = 3,687,673.29

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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.