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Finding the Fourth Proportional to 16,893.70, 25,340.55 and 16,245.70

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Solution

The fourth proportional to 16,893.70, 25,340.55 and 16,245.70 is: 24,368.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,893.70 : 25,340.55 = 16,245.70 : x
  2. Step 2: Convert to fraction form
    16,893.70/25,340.55 = 16,245.70/x
  3. Step 3: Cross multiply
    16,893.70x = 25,340.55 × 16,245.70
  4. Step 4: Simplify right side
    16,893.70x = 411,674,973.14
  5. Step 5: Solve for x
    x = 411,674,973.14/16,893.70
  6. Step 6: Final answer
    x = 24,368.55

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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.