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Finding the Fourth Proportional to 54,605.90, 81,904.80 and 23,007.80

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Solution

The fourth proportional to 54,605.90, 81,904.80 and 23,007.80 is: 34,509.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,605.90 : 81,904.80 = 23,007.80 : x
  2. Step 2: Convert to fraction form
    54,605.90/81,904.80 = 23,007.80/x
  3. Step 3: Cross multiply
    54,605.90x = 81,904.80 × 23,007.80
  4. Step 4: Simplify right side
    54,605.90x = 1,884,449,257.44
  5. Step 5: Solve for x
    x = 1,884,449,257.44/54,605.90
  6. Step 6: Final answer
    x = 34,509.99

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1.5x scale

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.