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Finding the Fourth Proportional to 26,642,405.40, 39,963,608.10 and 26,642,405.40

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Solution

The fourth proportional to 26,642,405.40, 39,963,608.10 and 26,642,405.40 is: 39,963,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,642,405.40 : 39,963,608.10 = 26,642,405.40 : x
  2. Step 2: Convert to fraction form
    26,642,405.40/39,963,608.10 = 26,642,405.40/x
  3. Step 3: Cross multiply
    26,642,405.40x = 39,963,608.10 × 26,642,405.40
  4. Step 4: Simplify right side
    26,642,405.40x = 1,064,726,648,246,923.75
  5. Step 5: Solve for x
    x = 1,064,726,648,246,923.75/26,642,405.40
  6. Step 6: Final answer
    x = 39,963,608.10

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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.