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Finding the Fourth Proportional to 53,802.63, 80,716.90 and 16,866.63

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Solution

The fourth proportional to 53,802.63, 80,716.90 and 16,866.63 is: 25,304.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,802.63 : 80,716.90 = 16,866.63 : x
  2. Step 2: Convert to fraction form
    53,802.63/80,716.90 = 16,866.63/x
  3. Step 3: Cross multiply
    53,802.63x = 80,716.90 × 16,866.63
  4. Step 4: Simplify right side
    53,802.63x = 1,361,422,087.05
  5. Step 5: Solve for x
    x = 1,361,422,087.05/53,802.63
  6. Step 6: Final answer
    x = 25,304.01

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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.