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Finding the Fourth Proportional to 6,353,816.76, 8,769,542.49 and 3,775,001.16

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Solution

The fourth proportional to 6,353,816.76, 8,769,542.49 and 3,775,001.16 is: 5,210,259.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,353,816.76 : 8,769,542.49 = 3,775,001.16 : x
  2. Step 2: Convert to fraction form
    6,353,816.76/8,769,542.49 = 3,775,001.16/x
  3. Step 3: Cross multiply
    6,353,816.76x = 8,769,542.49 × 3,775,001.16
  4. Step 4: Simplify right side
    6,353,816.76x = 33,105,033,072,419.29
  5. Step 5: Solve for x
    x = 33,105,033,072,419.29/6,353,816.76
  6. Step 6: Final answer
    x = 5,210,259.33

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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.