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Finding the Fourth Proportional to 3,670,204.95, 5,148,915.75 and 3,670,204.95

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Solution

The fourth proportional to 3,670,204.95, 5,148,915.75 and 3,670,204.95 is: 5,148,915.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670,204.95 : 5,148,915.75 = 3,670,204.95 : x
  2. Step 2: Convert to fraction form
    3,670,204.95/5,148,915.75 = 3,670,204.95/x
  3. Step 3: Cross multiply
    3,670,204.95x = 5,148,915.75 × 3,670,204.95
  4. Step 4: Simplify right side
    3,670,204.95x = 18,897,576,072,782.96
  5. Step 5: Solve for x
    x = 18,897,576,072,782.96/3,670,204.95
  6. Step 6: Final answer
    x = 5,148,915.75

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.