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Finding the Fourth Proportional to 52,795.83, 72,840.03 and 30,118.46

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Solution

The fourth proportional to 52,795.83, 72,840.03 and 30,118.46 is: 41,553.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,795.83 : 72,840.03 = 30,118.46 : x
  2. Step 2: Convert to fraction form
    52,795.83/72,840.03 = 30,118.46/x
  3. Step 3: Cross multiply
    52,795.83x = 72,840.03 × 30,118.46
  4. Step 4: Simplify right side
    52,795.83x = 2,193,829,529.95
  5. Step 5: Solve for x
    x = 2,193,829,529.95/52,795.83
  6. Step 6: Final answer
    x = 41,553.08

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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.