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Finding the Fourth Proportional to 5,752,267.66, 7,938,294.86 and 3,174,114.81

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Solution

The fourth proportional to 5,752,267.66, 7,938,294.86 and 3,174,114.81 is: 4,380,369.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,752,267.66 : 7,938,294.86 = 3,174,114.81 : x
  2. Step 2: Convert to fraction form
    5,752,267.66/7,938,294.86 = 3,174,114.81/x
  3. Step 3: Cross multiply
    5,752,267.66x = 7,938,294.86 × 3,174,114.81
  4. Step 4: Simplify right side
    5,752,267.66x = 25,197,059,289,208.16
  5. Step 5: Solve for x
    x = 25,197,059,289,208.16/5,752,267.66
  6. Step 6: Final answer
    x = 4,380,369.76

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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.