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Finding the Fourth Proportional to 25,869,712.65, 38,804,568.98 and 22,022,670.30

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Solution

The fourth proportional to 25,869,712.65, 38,804,568.98 and 22,022,670.30 is: 33,034,005.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,869,712.65 : 38,804,568.98 = 22,022,670.30 : x
  2. Step 2: Convert to fraction form
    25,869,712.65/38,804,568.98 = 22,022,670.30/x
  3. Step 3: Cross multiply
    25,869,712.65x = 38,804,568.98 × 22,022,670.30
  4. Step 4: Simplify right side
    25,869,712.65x = 854,580,228,670,034
  5. Step 5: Solve for x
    x = 854,580,228,670,034/25,869,712.65
  6. Step 6: Final answer
    x = 33,034,005.45

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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.