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Finding the Fourth Proportional to 18,496,586.80, 25,937,736.80 and 18,496,586.80

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Solution

The fourth proportional to 18,496,586.80, 25,937,736.80 and 18,496,586.80 is: 25,937,736.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,496,586.80 : 25,937,736.80 = 18,496,586.80 : x
  2. Step 2: Convert to fraction form
    18,496,586.80/25,937,736.80 = 18,496,586.80/x
  3. Step 3: Cross multiply
    18,496,586.80x = 25,937,736.80 × 18,496,586.80
  4. Step 4: Simplify right side
    18,496,586.80x = 479,759,600,116,754.25
  5. Step 5: Solve for x
    x = 479,759,600,116,754.25/18,496,586.80
  6. Step 6: Final answer
    x = 25,937,736.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.