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Finding the Fourth Proportional to 25,880.58, 38,808.72 and 10,884.51

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Solution

The fourth proportional to 25,880.58, 38,808.72 and 10,884.51 is: 16,321.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,880.58 : 38,808.72 = 10,884.51 : x
  2. Step 2: Convert to fraction form
    25,880.58/38,808.72 = 10,884.51/x
  3. Step 3: Cross multiply
    25,880.58x = 38,808.72 × 10,884.51
  4. Step 4: Simplify right side
    25,880.58x = 422,413,900.93
  5. Step 5: Solve for x
    x = 422,413,900.93/25,880.58
  6. Step 6: Final answer
    x = 16,321.66

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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.