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Finding the Fourth Proportional to 12,652,617, 18,984,708.90 and 6,886,713

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Solution

The fourth proportional to 12,652,617, 18,984,708.90 and 6,886,713 is: 10,333,217.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,652,617 : 18,984,708.90 = 6,886,713 : x
  2. Step 2: Convert to fraction form
    12,652,617/18,984,708.90 = 6,886,713/x
  3. Step 3: Cross multiply
    12,652,617x = 18,984,708.90 × 6,886,713
  4. Step 4: Simplify right side
    12,652,617x = 130,742,241,582,845.69
  5. Step 5: Solve for x
    x = 130,742,241,582,845.69/12,652,617
  6. Step 6: Final answer
    x = 10,333,217.36

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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.