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Finding the Fourth Proportional to 37,271.70, 55,972.35 and 19,775.70

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Solution

The fourth proportional to 37,271.70, 55,972.35 and 19,775.70 is: 29,697.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,271.70 : 55,972.35 = 19,775.70 : x
  2. Step 2: Convert to fraction form
    37,271.70/55,972.35 = 19,775.70/x
  3. Step 3: Cross multiply
    37,271.70x = 55,972.35 × 19,775.70
  4. Step 4: Simplify right side
    37,271.70x = 1,106,892,401.90
  5. Step 5: Solve for x
    x = 1,106,892,401.90/37,271.70
  6. Step 6: Final answer
    x = 29,697.93

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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.