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Finding the Fourth Proportional to 43,496.53, 65,254.52 and 13,916.14

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Solution

The fourth proportional to 43,496.53, 65,254.52 and 13,916.14 is: 20,877.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,496.53 : 65,254.52 = 13,916.14 : x
  2. Step 2: Convert to fraction form
    43,496.53/65,254.52 = 13,916.14/x
  3. Step 3: Cross multiply
    43,496.53x = 65,254.52 × 13,916.14
  4. Step 4: Simplify right side
    43,496.53x = 908,091,035.95
  5. Step 5: Solve for x
    x = 908,091,035.95/43,496.53
  6. Step 6: Final answer
    x = 20,877.32

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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.