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Finding the Fourth Proportional to 58,469.04, 80,690.04 and 33,318

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Solution

The fourth proportional to 58,469.04, 80,690.04 and 33,318 is: 45,980.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,469.04 : 80,690.04 = 33,318 : x
  2. Step 2: Convert to fraction form
    58,469.04/80,690.04 = 33,318/x
  3. Step 3: Cross multiply
    58,469.04x = 80,690.04 × 33,318
  4. Step 4: Simplify right side
    58,469.04x = 2,688,430,752.72
  5. Step 5: Solve for x
    x = 2,688,430,752.72/58,469.04
  6. Step 6: Final answer
    x = 45,980.42

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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.