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Finding the Fourth Proportional to 51,592.53, 77,372.64 and 21,606.71

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Solution

The fourth proportional to 51,592.53, 77,372.64 and 21,606.71 is: 32,403.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,592.53 : 77,372.64 = 21,606.71 : x
  2. Step 2: Convert to fraction form
    51,592.53/77,372.64 = 21,606.71/x
  3. Step 3: Cross multiply
    51,592.53x = 77,372.64 × 21,606.71
  4. Step 4: Simplify right side
    51,592.53x = 1,671,767,922.72
  5. Step 5: Solve for x
    x = 1,671,767,922.72/51,592.53
  6. Step 6: Final answer
    x = 32,403.30

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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.