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Finding the Fourth Proportional to 53,536, 80,308.95 and 14,093.32

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Solution

The fourth proportional to 53,536, 80,308.95 and 14,093.32 is: 21,141.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,536 : 80,308.95 = 14,093.32 : x
  2. Step 2: Convert to fraction form
    53,536/80,308.95 = 14,093.32/x
  3. Step 3: Cross multiply
    53,536x = 80,308.95 × 14,093.32
  4. Step 4: Simplify right side
    53,536x = 1,131,819,731.21
  5. Step 5: Solve for x
    x = 1,131,819,731.21/53,536
  6. Step 6: Final answer
    x = 21,141.28

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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.