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Finding the Fourth Proportional to 5,889,948.88, 8,129,572.80 and 3,600,029.20

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Solution

The fourth proportional to 5,889,948.88, 8,129,572.80 and 3,600,029.20 is: 4,968,922.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,889,948.88 : 8,129,572.80 = 3,600,029.20 : x
  2. Step 2: Convert to fraction form
    5,889,948.88/8,129,572.80 = 3,600,029.20/x
  3. Step 3: Cross multiply
    5,889,948.88x = 8,129,572.80 × 3,600,029.20
  4. Step 4: Simplify right side
    5,889,948.88x = 29,266,699,463,525.76
  5. Step 5: Solve for x
    x = 29,266,699,463,525.76/5,889,948.88
  6. Step 6: Final answer
    x = 4,968,922.49

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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.