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Finding the Fourth Proportional to 17,619,010.40, 26,420,642.40 and 6,832,726.40

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Solution

The fourth proportional to 17,619,010.40, 26,420,642.40 and 6,832,726.40 is: 10,246,036.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,619,010.40 : 26,420,642.40 = 6,832,726.40 : x
  2. Step 2: Convert to fraction form
    17,619,010.40/26,420,642.40 = 6,832,726.40/x
  3. Step 3: Cross multiply
    17,619,010.40x = 26,420,642.40 × 6,832,726.40
  4. Step 4: Simplify right side
    17,619,010.40x = 180,525,020,831,439.38
  5. Step 5: Solve for x
    x = 180,525,020,831,439.38/17,619,010.40
  6. Step 6: Final answer
    x = 10,246,036.34

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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.