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Finding the Fourth Proportional to 53,888.45, 80,832.68 and 16,448.73

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Solution

The fourth proportional to 53,888.45, 80,832.68 and 16,448.73 is: 24,673.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,888.45 : 80,832.68 = 16,448.73 : x
  2. Step 2: Convert to fraction form
    53,888.45/80,832.68 = 16,448.73/x
  3. Step 3: Cross multiply
    53,888.45x = 80,832.68 × 16,448.73
  4. Step 4: Simplify right side
    53,888.45x = 1,329,594,969.62
  5. Step 5: Solve for x
    x = 1,329,594,969.62/53,888.45
  6. Step 6: Final answer
    x = 24,673.10

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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.