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Finding the Fourth Proportional to 10,975,596.40, 16,463,394.60 and 10,765,644.40

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Solution

The fourth proportional to 10,975,596.40, 16,463,394.60 and 10,765,644.40 is: 16,148,466.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,975,596.40 : 16,463,394.60 = 10,765,644.40 : x
  2. Step 2: Convert to fraction form
    10,975,596.40/16,463,394.60 = 10,765,644.40/x
  3. Step 3: Cross multiply
    10,975,596.40x = 16,463,394.60 × 10,765,644.40
  4. Step 4: Simplify right side
    10,975,596.40x = 177,239,051,880,480.25
  5. Step 5: Solve for x
    x = 177,239,051,880,480.25/10,975,596.40
  6. Step 6: Final answer
    x = 16,148,466.60

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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.