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Finding the Fourth Proportional to 6,393,826.80, 9,614,359.80 and 5,354,564.40

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Solution

The fourth proportional to 6,393,826.80, 9,614,359.80 and 5,354,564.40 is: 8,051,627.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,393,826.80 : 9,614,359.80 = 5,354,564.40 : x
  2. Step 2: Convert to fraction form
    6,393,826.80/9,614,359.80 = 5,354,564.40/x
  3. Step 3: Cross multiply
    6,393,826.80x = 9,614,359.80 × 5,354,564.40
  4. Step 4: Simplify right side
    6,393,826.80x = 51,480,708,713,871.12
  5. Step 5: Solve for x
    x = 51,480,708,713,871.12/6,393,826.80
  6. Step 6: Final answer
    x = 8,051,627.03

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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.