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Finding the Fourth Proportional to 3,749,347.07, 5,174,073.19 and 2,030,428.25

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Solution

The fourth proportional to 3,749,347.07, 5,174,073.19 and 2,030,428.25 is: 2,801,977.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749,347.07 : 5,174,073.19 = 2,030,428.25 : x
  2. Step 2: Convert to fraction form
    3,749,347.07/5,174,073.19 = 2,030,428.25/x
  3. Step 3: Cross multiply
    3,749,347.07x = 5,174,073.19 × 2,030,428.25
  4. Step 4: Simplify right side
    3,749,347.07x = 10,505,584,368,614.06
  5. Step 5: Solve for x
    x = 10,505,584,368,614.06/3,749,347.07
  6. Step 6: Final answer
    x = 2,801,977.03

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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.