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Finding the Fourth Proportional to 52,704.60, 72,734.22 and 30,047.01

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Solution

The fourth proportional to 52,704.60, 72,734.22 and 30,047.01 is: 41,465.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,704.60 : 72,734.22 = 30,047.01 : x
  2. Step 2: Convert to fraction form
    52,704.60/72,734.22 = 30,047.01/x
  3. Step 3: Cross multiply
    52,704.60x = 72,734.22 × 30,047.01
  4. Step 4: Simplify right side
    52,704.60x = 2,185,445,835.68
  5. Step 5: Solve for x
    x = 2,185,445,835.68/52,704.60
  6. Step 6: Final answer
    x = 41,465.94

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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.