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Finding the Fourth Proportional to 37,968,627.42, 52,396,683.03 and 20,564,967.42

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Solution

The fourth proportional to 37,968,627.42, 52,396,683.03 and 20,564,967.42 is: 28,379,642.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,968,627.42 : 52,396,683.03 = 20,564,967.42 : x
  2. Step 2: Convert to fraction form
    37,968,627.42/52,396,683.03 = 20,564,967.42/x
  3. Step 3: Cross multiply
    37,968,627.42x = 52,396,683.03 × 20,564,967.42
  4. Step 4: Simplify right side
    37,968,627.42x = 1,077,536,079,428,017
  5. Step 5: Solve for x
    x = 1,077,536,079,428,017/37,968,627.42
  6. Step 6: Final answer
    x = 28,379,642.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.