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Finding the Fourth Proportional to 16,641,640.40, 24,964,793.40 and 6,541,912.40

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Solution

The fourth proportional to 16,641,640.40, 24,964,793.40 and 6,541,912.40 is: 9,813,785.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,641,640.40 : 24,964,793.40 = 6,541,912.40 : x
  2. Step 2: Convert to fraction form
    16,641,640.40/24,964,793.40 = 6,541,912.40/x
  3. Step 3: Cross multiply
    16,641,640.40x = 24,964,793.40 × 6,541,912.40
  4. Step 4: Simplify right side
    16,641,640.40x = 163,317,491,506,898.16
  5. Step 5: Solve for x
    x = 163,317,491,506,898.16/16,641,640.40
  6. Step 6: Final answer
    x = 9,813,785.64

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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.