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Finding the Fourth Proportional to 53,337.85, 80,007.99 and 18,277

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Solution

The fourth proportional to 53,337.85, 80,007.99 and 18,277 is: 27,415.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,337.85 : 80,007.99 = 18,277 : x
  2. Step 2: Convert to fraction form
    53,337.85/80,007.99 = 18,277/x
  3. Step 3: Cross multiply
    53,337.85x = 80,007.99 × 18,277
  4. Step 4: Simplify right side
    53,337.85x = 1,462,306,033.23
  5. Step 5: Solve for x
    x = 1,462,306,033.23/53,337.85
  6. Step 6: Final answer
    x = 27,415.92

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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.