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Finding the Fourth Proportional to 10,693,823.80, 16,048,608.90 and 4,308,658.60

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Solution

The fourth proportional to 10,693,823.80, 16,048,608.90 and 4,308,658.60 is: 6,466,160.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,693,823.80 : 16,048,608.90 = 4,308,658.60 : x
  2. Step 2: Convert to fraction form
    10,693,823.80/16,048,608.90 = 4,308,658.60/x
  3. Step 3: Cross multiply
    10,693,823.80x = 16,048,608.90 × 4,308,658.60
  4. Step 4: Simplify right side
    10,693,823.80x = 69,147,976,755,021.54
  5. Step 5: Solve for x
    x = 69,147,976,755,021.54/10,693,823.80
  6. Step 6: Final answer
    x = 6,466,160.10

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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.