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Finding the Fourth Proportional to 3,788,894.70, 5,683,342.05 and 3,788,894.70

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Solution

The fourth proportional to 3,788,894.70, 5,683,342.05 and 3,788,894.70 is: 5,683,342.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788,894.70 : 5,683,342.05 = 3,788,894.70 : x
  2. Step 2: Convert to fraction form
    3,788,894.70/5,683,342.05 = 3,788,894.70/x
  3. Step 3: Cross multiply
    3,788,894.70x = 5,683,342.05 × 3,788,894.70
  4. Step 4: Simplify right side
    3,788,894.70x = 21,533,584,571,532.14
  5. Step 5: Solve for x
    x = 21,533,584,571,532.14/3,788,894.70
  6. Step 6: Final answer
    x = 5,683,342.05

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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.