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Finding the Fourth Proportional to 58,200, 80,316 and 33,054.36

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Solution

The fourth proportional to 58,200, 80,316 and 33,054.36 is: 45,615.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,200 : 80,316 = 33,054.36 : x
  2. Step 2: Convert to fraction form
    58,200/80,316 = 33,054.36/x
  3. Step 3: Cross multiply
    58,200x = 80,316 × 33,054.36
  4. Step 4: Simplify right side
    58,200x = 2,654,793,977.76
  5. Step 5: Solve for x
    x = 2,654,793,977.76/58,200
  6. Step 6: Final answer
    x = 45,615.02

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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.