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Finding the Fourth Proportional to 62,563,791.70, 93,845,687.55 and 36,991,638.10

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Solution

The fourth proportional to 62,563,791.70, 93,845,687.55 and 36,991,638.10 is: 55,487,457.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,563,791.70 : 93,845,687.55 = 36,991,638.10 : x
  2. Step 2: Convert to fraction form
    62,563,791.70/93,845,687.55 = 36,991,638.10/x
  3. Step 3: Cross multiply
    62,563,791.70x = 93,845,687.55 × 36,991,638.10
  4. Step 4: Simplify right side
    62,563,791.70x = 3,471,505,711,095,275.50
  5. Step 5: Solve for x
    x = 3,471,505,711,095,275.50/62,563,791.70
  6. Step 6: Final answer
    x = 55,487,457.15

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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.