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Finding the Fourth Proportional to 17,999.99, 26,999.91 and 4,853.69

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Solution

The fourth proportional to 17,999.99, 26,999.91 and 4,853.69 is: 7,280.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,999.99 : 26,999.91 = 4,853.69 : x
  2. Step 2: Convert to fraction form
    17,999.99/26,999.91 = 4,853.69/x
  3. Step 3: Cross multiply
    17,999.99x = 26,999.91 × 4,853.69
  4. Step 4: Simplify right side
    17,999.99x = 131,049,058.17
  5. Step 5: Solve for x
    x = 131,049,058.17/17,999.99
  6. Step 6: Final answer
    x = 7,280.51

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1.5x scale

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.