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Finding the Fourth Proportional to 51,898.68, 77,563.65 and 37,888.21

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Solution

The fourth proportional to 51,898.68, 77,563.65 and 37,888.21 is: 56,624.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,898.68 : 77,563.65 = 37,888.21 : x
  2. Step 2: Convert to fraction form
    51,898.68/77,563.65 = 37,888.21/x
  3. Step 3: Cross multiply
    51,898.68x = 77,563.65 × 37,888.21
  4. Step 4: Simplify right side
    51,898.68x = 2,938,747,859.57
  5. Step 5: Solve for x
    x = 2,938,747,859.57/51,898.68
  6. Step 6: Final answer
    x = 56,624.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.