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Finding the Fourth Proportional to 53,999.96, 80,999.73 and 14,561.06

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Solution

The fourth proportional to 53,999.96, 80,999.73 and 14,561.06 is: 21,841.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,999.96 : 80,999.73 = 14,561.06 : x
  2. Step 2: Convert to fraction form
    53,999.96/80,999.73 = 14,561.06/x
  3. Step 3: Cross multiply
    53,999.96x = 80,999.73 × 14,561.06
  4. Step 4: Simplify right side
    53,999.96x = 1,179,441,928.51
  5. Step 5: Solve for x
    x = 1,179,441,928.51/53,999.96
  6. Step 6: Final answer
    x = 21,841.53

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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.