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Finding the Fourth Proportional to 18,773.94, 28,193.06 and 16,670.29

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Solution

The fourth proportional to 18,773.94, 28,193.06 and 16,670.29 is: 25,033.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,773.94 : 28,193.06 = 16,670.29 : x
  2. Step 2: Convert to fraction form
    18,773.94/28,193.06 = 16,670.29/x
  3. Step 3: Cross multiply
    18,773.94x = 28,193.06 × 16,670.29
  4. Step 4: Simplify right side
    18,773.94x = 469,986,486.19
  5. Step 5: Solve for x
    x = 469,986,486.19/18,773.94
  6. Step 6: Final answer
    x = 25,033.98

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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.