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Finding the Fourth Proportional to 9,692.45, 14,526.28 and 8,437.89

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Solution

The fourth proportional to 9,692.45, 14,526.28 and 8,437.89 is: 12,646.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,692.45 : 14,526.28 = 8,437.89 : x
  2. Step 2: Convert to fraction form
    9,692.45/14,526.28 = 8,437.89/x
  3. Step 3: Cross multiply
    9,692.45x = 14,526.28 × 8,437.89
  4. Step 4: Simplify right side
    9,692.45x = 122,571,152.75
  5. Step 5: Solve for x
    x = 122,571,152.75/9,692.45
  6. Step 6: Final answer
    x = 12,646.04

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.