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Finding the Fourth Proportional to 47,222.70, 70,817.03 and 15,626.93

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Solution

The fourth proportional to 47,222.70, 70,817.03 and 15,626.93 is: 23,434.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,222.70 : 70,817.03 = 15,626.93 : x
  2. Step 2: Convert to fraction form
    47,222.70/70,817.03 = 15,626.93/x
  3. Step 3: Cross multiply
    47,222.70x = 70,817.03 × 15,626.93
  4. Step 4: Simplify right side
    47,222.70x = 1,106,652,397.00
  5. Step 5: Solve for x
    x = 1,106,652,397.00/47,222.70
  6. Step 6: Final answer
    x = 23,434.76

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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.