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Finding the Fourth Proportional to 4,991,656.92, 7,488,313.19 and 1,752,353.85

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Solution

The fourth proportional to 4,991,656.92, 7,488,313.19 and 1,752,353.85 is: 2,628,821.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991,656.92 : 7,488,313.19 = 1,752,353.85 : x
  2. Step 2: Convert to fraction form
    4,991,656.92/7,488,313.19 = 1,752,353.85/x
  3. Step 3: Cross multiply
    4,991,656.92x = 7,488,313.19 × 1,752,353.85
  4. Step 4: Simplify right side
    4,991,656.92x = 13,122,174,439,740.51
  5. Step 5: Solve for x
    x = 13,122,174,439,740.51/4,991,656.92
  6. Step 6: Final answer
    x = 2,628,821.38

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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.