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Finding the Fourth Proportional to 17,683,886.40, 26,539,826.40 and 6,906,350.40

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Solution

The fourth proportional to 17,683,886.40, 26,539,826.40 and 6,906,350.40 is: 10,364,991.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,683,886.40 : 26,539,826.40 = 6,906,350.40 : x
  2. Step 2: Convert to fraction form
    17,683,886.40/26,539,826.40 = 6,906,350.40/x
  3. Step 3: Cross multiply
    17,683,886.40x = 26,539,826.40 × 6,906,350.40
  4. Step 4: Simplify right side
    17,683,886.40x = 183,293,340,673,570.56
  5. Step 5: Solve for x
    x = 183,293,340,673,570.56/17,683,886.40
  6. Step 6: Final answer
    x = 10,364,991.98

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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.