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Finding the Fourth Proportional to 11,054.70, 15,255.76 and 6,019.20

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Solution

The fourth proportional to 11,054.70, 15,255.76 and 6,019.20 is: 8,306.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,054.70 : 15,255.76 = 6,019.20 : x
  2. Step 2: Convert to fraction form
    11,054.70/15,255.76 = 6,019.20/x
  3. Step 3: Cross multiply
    11,054.70x = 15,255.76 × 6,019.20
  4. Step 4: Simplify right side
    11,054.70x = 91,827,394.31
  5. Step 5: Solve for x
    x = 91,827,394.31/11,054.70
  6. Step 6: Final answer
    x = 8,306.64

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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.