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Finding the Fourth Proportional to 19,985,136, 29,978,533.44 and 5,801,712

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Solution

The fourth proportional to 19,985,136, 29,978,533.44 and 5,801,712 is: 8,702,808.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,985,136 : 29,978,533.44 = 5,801,712 : x
  2. Step 2: Convert to fraction form
    19,985,136/29,978,533.44 = 5,801,712/x
  3. Step 3: Cross multiply
    19,985,136x = 29,978,533.44 × 5,801,712
  4. Step 4: Simplify right side
    19,985,136x = 173,926,817,201,249.28
  5. Step 5: Solve for x
    x = 173,926,817,201,249.28/19,985,136
  6. Step 6: Final answer
    x = 8,702,808.79

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