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Finding the Fourth Proportional to 3,109,898.70, 4,664,848.05 and 3,109,898.70

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Solution

The fourth proportional to 3,109,898.70, 4,664,848.05 and 3,109,898.70 is: 4,664,848.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,898.70 : 4,664,848.05 = 3,109,898.70 : x
  2. Step 2: Convert to fraction form
    3,109,898.70/4,664,848.05 = 3,109,898.70/x
  3. Step 3: Cross multiply
    3,109,898.70x = 4,664,848.05 × 3,109,898.70
  4. Step 4: Simplify right side
    3,109,898.70x = 14,507,204,886,392.54
  5. Step 5: Solve for x
    x = 14,507,204,886,392.54/3,109,898.70
  6. Step 6: Final answer
    x = 4,664,848.05

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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.