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Finding the Fourth Proportional to 5,626,790.51, 7,764,978.60 and 3,048,471.41

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Solution

The fourth proportional to 5,626,790.51, 7,764,978.60 and 3,048,471.41 is: 4,206,894.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,626,790.51 : 7,764,978.60 = 3,048,471.41 : x
  2. Step 2: Convert to fraction form
    5,626,790.51/7,764,978.60 = 3,048,471.41/x
  3. Step 3: Cross multiply
    5,626,790.51x = 7,764,978.60 × 3,048,471.41
  4. Step 4: Simplify right side
    5,626,790.51x = 23,671,315,222,536.93
  5. Step 5: Solve for x
    x = 23,671,315,222,536.93/5,626,790.51
  6. Step 6: Final answer
    x = 4,206,894.71

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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.