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Finding the Fourth Proportional to 36,602.31, 54,916.63 and 14,403.39

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Solution

The fourth proportional to 36,602.31, 54,916.63 and 14,403.39 is: 21,610.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,602.31 : 54,916.63 = 14,403.39 : x
  2. Step 2: Convert to fraction form
    36,602.31/54,916.63 = 14,403.39/x
  3. Step 3: Cross multiply
    36,602.31x = 54,916.63 × 14,403.39
  4. Step 4: Simplify right side
    36,602.31x = 790,985,639.38
  5. Step 5: Solve for x
    x = 790,985,639.38/36,602.31
  6. Step 6: Final answer
    x = 21,610.27

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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.