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Finding the Fourth Proportional to 37,189,507.50, 51,311,989.08 and 21,710,697.48

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Solution

The fourth proportional to 37,189,507.50, 51,311,989.08 and 21,710,697.48 is: 29,955,198.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,189,507.50 : 51,311,989.08 = 21,710,697.48 : x
  2. Step 2: Convert to fraction form
    37,189,507.50/51,311,989.08 = 21,710,697.48/x
  3. Step 3: Cross multiply
    37,189,507.50x = 51,311,989.08 × 21,710,697.48
  4. Step 4: Simplify right side
    37,189,507.50x = 1,114,019,072,012,943.50
  5. Step 5: Solve for x
    x = 1,114,019,072,012,943.50/37,189,507.50
  6. Step 6: Final answer
    x = 29,955,198.30

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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.