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Finding the Fourth Proportional to 47,362.89, 65,307.79 and 38,722.13

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Solution

The fourth proportional to 47,362.89, 65,307.79 and 38,722.13 is: 53,393.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,362.89 : 65,307.79 = 38,722.13 : x
  2. Step 2: Convert to fraction form
    47,362.89/65,307.79 = 38,722.13/x
  3. Step 3: Cross multiply
    47,362.89x = 65,307.79 × 38,722.13
  4. Step 4: Simplify right side
    47,362.89x = 2,528,856,850.70
  5. Step 5: Solve for x
    x = 2,528,856,850.70/47,362.89
  6. Step 6: Final answer
    x = 53,393.21

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.