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Finding the Fourth Proportional to 52,622.67, 78,946.33 and 35,990.53

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Solution

The fourth proportional to 52,622.67, 78,946.33 and 35,990.53 is: 53,994.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,622.67 : 78,946.33 = 35,990.53 : x
  2. Step 2: Convert to fraction form
    52,622.67/78,946.33 = 35,990.53/x
  3. Step 3: Cross multiply
    52,622.67x = 78,946.33 × 35,990.53
  4. Step 4: Simplify right side
    52,622.67x = 2,841,320,258.25
  5. Step 5: Solve for x
    x = 2,841,320,258.25/52,622.67
  6. Step 6: Final answer
    x = 53,994.22

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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.