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Finding the Fourth Proportional to 14,453.17, 21,683.09 and 5,569.76

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Solution

The fourth proportional to 14,453.17, 21,683.09 and 5,569.76 is: 8,355.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,453.17 : 21,683.09 = 5,569.76 : x
  2. Step 2: Convert to fraction form
    14,453.17/21,683.09 = 5,569.76/x
  3. Step 3: Cross multiply
    14,453.17x = 21,683.09 × 5,569.76
  4. Step 4: Simplify right side
    14,453.17x = 120,769,675.49
  5. Step 5: Solve for x
    x = 120,769,675.49/14,453.17
  6. Step 6: Final answer
    x = 8,355.93

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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.