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Finding the Fourth Proportional to 52,607.80, 72,579.90 and 31,093.03

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Solution

The fourth proportional to 52,607.80, 72,579.90 and 31,093.03 is: 42,897.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,607.80 : 72,579.90 = 31,093.03 : x
  2. Step 2: Convert to fraction form
    52,607.80/72,579.90 = 31,093.03/x
  3. Step 3: Cross multiply
    52,607.80x = 72,579.90 × 31,093.03
  4. Step 4: Simplify right side
    52,607.80x = 2,256,729,008.10
  5. Step 5: Solve for x
    x = 2,256,729,008.10/52,607.80
  6. Step 6: Final answer
    x = 42,897.23

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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.