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Finding the Fourth Proportional to 26,572,078.80, 39,787,259.40 and 26,572,078.80

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Solution

The fourth proportional to 26,572,078.80, 39,787,259.40 and 26,572,078.80 is: 39,787,259.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,572,078.80 : 39,787,259.40 = 26,572,078.80 : x
  2. Step 2: Convert to fraction form
    26,572,078.80/39,787,259.40 = 26,572,078.80/x
  3. Step 3: Cross multiply
    26,572,078.80x = 39,787,259.40 × 26,572,078.80
  4. Step 4: Simplify right side
    26,572,078.80x = 1,057,230,192,012,840.75
  5. Step 5: Solve for x
    x = 1,057,230,192,012,840.75/26,572,078.80
  6. Step 6: Final answer
    x = 39,787,259.40

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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.