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Finding the Fourth Proportional to 53,903.58, 80,821.44 and 16,451.19

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Solution

The fourth proportional to 53,903.58, 80,821.44 and 16,451.19 is: 24,666.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,903.58 : 80,821.44 = 16,451.19 : x
  2. Step 2: Convert to fraction form
    53,903.58/80,821.44 = 16,451.19/x
  3. Step 3: Cross multiply
    53,903.58x = 80,821.44 × 16,451.19
  4. Step 4: Simplify right side
    53,903.58x = 1,329,608,865.51
  5. Step 5: Solve for x
    x = 1,329,608,865.51/53,903.58
  6. Step 6: Final answer
    x = 24,666.43

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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.