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Finding the Fourth Proportional to 5,798,481.20, 8,697,721.80 and 4,958,673.20

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Solution

The fourth proportional to 5,798,481.20, 8,697,721.80 and 4,958,673.20 is: 7,438,009.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,798,481.20 : 8,697,721.80 = 4,958,673.20 : x
  2. Step 2: Convert to fraction form
    5,798,481.20/8,697,721.80 = 4,958,673.20/x
  3. Step 3: Cross multiply
    5,798,481.20x = 8,697,721.80 × 4,958,673.20
  4. Step 4: Simplify right side
    5,798,481.20x = 43,129,159,990,715.77
  5. Step 5: Solve for x
    x = 43,129,159,990,715.77/5,798,481.20
  6. Step 6: Final answer
    x = 7,438,009.80

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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.