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Finding the Fourth Proportional to 6,349,743.81, 8,762,804.51 and 3,449,133.81

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Solution

The fourth proportional to 6,349,743.81, 8,762,804.51 and 3,449,133.81 is: 4,759,890.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,349,743.81 : 8,762,804.51 = 3,449,133.81 : x
  2. Step 2: Convert to fraction form
    6,349,743.81/8,762,804.51 = 3,449,133.81/x
  3. Step 3: Cross multiply
    6,349,743.81x = 8,762,804.51 × 3,449,133.81
  4. Step 4: Simplify right side
    6,349,743.81x = 30,224,085,288,615.82
  5. Step 5: Solve for x
    x = 30,224,085,288,615.82/6,349,743.81
  6. Step 6: Final answer
    x = 4,759,890.51

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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.