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Finding the Fourth Proportional to 17,311.60, 25,973.80 and 16,671.60

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Solution

The fourth proportional to 17,311.60, 25,973.80 and 16,671.60 is: 25,013.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,311.60 : 25,973.80 = 16,671.60 : x
  2. Step 2: Convert to fraction form
    17,311.60/25,973.80 = 16,671.60/x
  3. Step 3: Cross multiply
    17,311.60x = 25,973.80 × 16,671.60
  4. Step 4: Simplify right side
    17,311.60x = 433,024,804.08
  5. Step 5: Solve for x
    x = 433,024,804.08/17,311.60
  6. Step 6: Final answer
    x = 25,013.56

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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.