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Finding the Fourth Proportional to 14,188.57, 21,250.50 and 6,798.28

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Solution

The fourth proportional to 14,188.57, 21,250.50 and 6,798.28 is: 10,181.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188.57 : 21,250.50 = 6,798.28 : x
  2. Step 2: Convert to fraction form
    14,188.57/21,250.50 = 6,798.28/x
  3. Step 3: Cross multiply
    14,188.57x = 21,250.50 × 6,798.28
  4. Step 4: Simplify right side
    14,188.57x = 144,466,848.61
  5. Step 5: Solve for x
    x = 144,466,848.61/14,188.57
  6. Step 6: Final answer
    x = 10,181.92

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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.