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Finding the Fourth Proportional to 6,407,959.34, 8,842,969.13 and 3,507,324.84

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Solution

The fourth proportional to 6,407,959.34, 8,842,969.13 and 3,507,324.84 is: 4,840,100.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,407,959.34 : 8,842,969.13 = 3,507,324.84 : x
  2. Step 2: Convert to fraction form
    6,407,959.34/8,842,969.13 = 3,507,324.84/x
  3. Step 3: Cross multiply
    6,407,959.34x = 8,842,969.13 × 3,507,324.84
  4. Step 4: Simplify right side
    6,407,959.34x = 31,015,165,271,465.56
  5. Step 5: Solve for x
    x = 31,015,165,271,465.56/6,407,959.34
  6. Step 6: Final answer
    x = 4,840,100.20

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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.