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Finding the Fourth Proportional to 14,483.84, 21,709.12 and 6,151.52

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Solution

The fourth proportional to 14,483.84, 21,709.12 and 6,151.52 is: 9,220.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,483.84 : 21,709.12 = 6,151.52 : x
  2. Step 2: Convert to fraction form
    14,483.84/21,709.12 = 6,151.52/x
  3. Step 3: Cross multiply
    14,483.84x = 21,709.12 × 6,151.52
  4. Step 4: Simplify right side
    14,483.84x = 133,544,085.86
  5. Step 5: Solve for x
    x = 133,544,085.86/14,483.84
  6. Step 6: Final answer
    x = 9,220.21

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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.