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Finding the Fourth Proportional to 8,692.38, 13,024.26 and 8,368.92

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Solution

The fourth proportional to 8,692.38, 13,024.26 and 8,368.92 is: 12,539.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,692.38 : 13,024.26 = 8,368.92 : x
  2. Step 2: Convert to fraction form
    8,692.38/13,024.26 = 8,368.92/x
  3. Step 3: Cross multiply
    8,692.38x = 13,024.26 × 8,368.92
  4. Step 4: Simplify right side
    8,692.38x = 108,998,990.00
  5. Step 5: Solve for x
    x = 108,998,990.00/8,692.38
  6. Step 6: Final answer
    x = 12,539.60

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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.