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Finding the Fourth Proportional to 47,223.70, 70,941.15 and 39,447.70

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Solution

The fourth proportional to 47,223.70, 70,941.15 and 39,447.70 is: 59,259.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,223.70 : 70,941.15 = 39,447.70 : x
  2. Step 2: Convert to fraction form
    47,223.70/70,941.15 = 39,447.70/x
  3. Step 3: Cross multiply
    47,223.70x = 70,941.15 × 39,447.70
  4. Step 4: Simplify right side
    47,223.70x = 2,798,465,202.86
  5. Step 5: Solve for x
    x = 2,798,465,202.86/47,223.70
  6. Step 6: Final answer
    x = 59,259.76

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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.