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Finding the Fourth Proportional to 53,903.56, 80,853.60 and 14,458.60

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Solution

The fourth proportional to 53,903.56, 80,853.60 and 14,458.60 is: 21,687.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,903.56 : 80,853.60 = 14,458.60 : x
  2. Step 2: Convert to fraction form
    53,903.56/80,853.60 = 14,458.60/x
  3. Step 3: Cross multiply
    53,903.56x = 80,853.60 × 14,458.60
  4. Step 4: Simplify right side
    53,903.56x = 1,169,029,860.96
  5. Step 5: Solve for x
    x = 1,169,029,860.96/53,903.56
  6. Step 6: Final answer
    x = 21,687.43

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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.