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Finding the Fourth Proportional to 27,653,557.60, 41,405,686.80 and 27,653,557.60

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Solution

The fourth proportional to 27,653,557.60, 41,405,686.80 and 27,653,557.60 is: 41,405,686.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,653,557.60 : 41,405,686.80 = 27,653,557.60 : x
  2. Step 2: Convert to fraction form
    27,653,557.60/41,405,686.80 = 27,653,557.60/x
  3. Step 3: Cross multiply
    27,653,557.60x = 41,405,686.80 × 27,653,557.60
  4. Step 4: Simplify right side
    27,653,557.60x = 1,145,014,544,891,359.75
  5. Step 5: Solve for x
    x = 1,145,014,544,891,359.75/27,653,557.60
  6. Step 6: Final answer
    x = 41,405,686.80

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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.