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Finding the Fourth Proportional to 21,794.41, 32,692.79 and 7,002.19

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Solution

The fourth proportional to 21,794.41, 32,692.79 and 7,002.19 is: 10,503.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,794.41 : 32,692.79 = 7,002.19 : x
  2. Step 2: Convert to fraction form
    21,794.41/32,692.79 = 7,002.19/x
  3. Step 3: Cross multiply
    21,794.41x = 32,692.79 × 7,002.19
  4. Step 4: Simplify right side
    21,794.41x = 228,921,127.21
  5. Step 5: Solve for x
    x = 228,921,127.21/21,794.41
  6. Step 6: Final answer
    x = 10,503.66

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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.