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Finding the Fourth Proportional to 37,541,302.50, 51,806,997.46 and 20,371,894.50

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Solution

The fourth proportional to 37,541,302.50, 51,806,997.46 and 20,371,894.50 is: 28,113,214.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,541,302.50 : 51,806,997.46 = 20,371,894.50 : x
  2. Step 2: Convert to fraction form
    37,541,302.50/51,806,997.46 = 20,371,894.50/x
  3. Step 3: Cross multiply
    37,541,302.50x = 51,806,997.46 × 20,371,894.50
  4. Step 4: Simplify right side
    37,541,302.50x = 1,055,406,686,616,888
  5. Step 5: Solve for x
    x = 1,055,406,686,616,888/37,541,302.50
  6. Step 6: Final answer
    x = 28,113,214.42

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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.