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Finding the Fourth Proportional to 58,356, 80,534.88 and 33,205.44

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Solution

The fourth proportional to 58,356, 80,534.88 and 33,205.44 is: 45,825.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,356 : 80,534.88 = 33,205.44 : x
  2. Step 2: Convert to fraction form
    58,356/80,534.88 = 33,205.44/x
  3. Step 3: Cross multiply
    58,356x = 80,534.88 × 33,205.44
  4. Step 4: Simplify right side
    58,356x = 2,674,196,125.75
  5. Step 5: Solve for x
    x = 2,674,196,125.75/58,356
  6. Step 6: Final answer
    x = 45,825.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.