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Finding the Fourth Proportional to 3,749,347.54, 5,174,073.84 and 2,030,428.72

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Solution

The fourth proportional to 3,749,347.54, 5,174,073.84 and 2,030,428.72 is: 2,801,977.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749,347.54 : 5,174,073.84 = 2,030,428.72 : x
  2. Step 2: Convert to fraction form
    3,749,347.54/5,174,073.84 = 2,030,428.72/x
  3. Step 3: Cross multiply
    3,749,347.54x = 5,174,073.84 × 2,030,428.72
  4. Step 4: Simplify right side
    3,749,347.54x = 10,505,588,118,815.61
  5. Step 5: Solve for x
    x = 10,505,588,118,815.61/3,749,347.54
  6. Step 6: Final answer
    x = 2,801,977.68

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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.