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Finding the Fourth Proportional to 11,054.88, 15,255.95 and 6,579.23

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Solution

The fourth proportional to 11,054.88, 15,255.95 and 6,579.23 is: 9,079.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,054.88 : 15,255.95 = 6,579.23 : x
  2. Step 2: Convert to fraction form
    11,054.88/15,255.95 = 6,579.23/x
  3. Step 3: Cross multiply
    11,054.88x = 15,255.95 × 6,579.23
  4. Step 4: Simplify right side
    11,054.88x = 100,372,294.74
  5. Step 5: Solve for x
    x = 100,372,294.74/11,054.88
  6. Step 6: Final answer
    x = 9,079.46

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1.5x scale

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.