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Finding the Fourth Proportional to 26,698,383.20, 40,047,574.80 and 26,698,383.20

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Solution

The fourth proportional to 26,698,383.20, 40,047,574.80 and 26,698,383.20 is: 40,047,574.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,698,383.20 : 40,047,574.80 = 26,698,383.20 : x
  2. Step 2: Convert to fraction form
    26,698,383.20/40,047,574.80 = 26,698,383.20/x
  3. Step 3: Cross multiply
    26,698,383.20x = 40,047,574.80 × 26,698,383.20
  4. Step 4: Simplify right side
    26,698,383.20x = 1,069,205,498,241,063.25
  5. Step 5: Solve for x
    x = 1,069,205,498,241,063.25/26,698,383.20
  6. Step 6: Final answer
    x = 40,047,574.80

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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.