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Finding the Fourth Proportional to 6,339,793.46, 8,736,833.54 and 6,223,188.08

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Solution

The fourth proportional to 6,339,793.46, 8,736,833.54 and 6,223,188.08 is: 8,576,140.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,339,793.46 : 8,736,833.54 = 6,223,188.08 : x
  2. Step 2: Convert to fraction form
    6,339,793.46/8,736,833.54 = 6,223,188.08/x
  3. Step 3: Cross multiply
    6,339,793.46x = 8,736,833.54 × 6,223,188.08
  4. Step 4: Simplify right side
    6,339,793.46x = 54,370,958,380,472.26
  5. Step 5: Solve for x
    x = 54,370,958,380,472.26/6,339,793.46
  6. Step 6: Final answer
    x = 8,576,140.34

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1.5x scale

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.