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Finding the Fourth Proportional to 14,795.12, 20,412.76 and 8,907.12

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Solution

The fourth proportional to 14,795.12, 20,412.76 and 8,907.12 is: 12,289.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,795.12 : 20,412.76 = 8,907.12 : x
  2. Step 2: Convert to fraction form
    14,795.12/20,412.76 = 8,907.12/x
  3. Step 3: Cross multiply
    14,795.12x = 20,412.76 × 8,907.12
  4. Step 4: Simplify right side
    14,795.12x = 181,818,902.85
  5. Step 5: Solve for x
    x = 181,818,902.85/14,795.12
  6. Step 6: Final answer
    x = 12,289.11

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.