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Finding the Fourth Proportional to 74,369.26, 102,591.52 and 47,483.50

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Solution

The fourth proportional to 74,369.26, 102,591.52 and 47,483.50 is: 65,502.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,369.26 : 102,591.52 = 47,483.50 : x
  2. Step 2: Convert to fraction form
    74,369.26/102,591.52 = 47,483.50/x
  3. Step 3: Cross multiply
    74,369.26x = 102,591.52 × 47,483.50
  4. Step 4: Simplify right side
    74,369.26x = 4,871,404,439.92
  5. Step 5: Solve for x
    x = 4,871,404,439.92/74,369.26
  6. Step 6: Final answer
    x = 65,502.93

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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.