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Finding the Fourth Proportional to 8,014.88, 11,060.76 and 4,478.48

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Solution

The fourth proportional to 8,014.88, 11,060.76 and 4,478.48 is: 6,180.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,014.88 : 11,060.76 = 4,478.48 : x
  2. Step 2: Convert to fraction form
    8,014.88/11,060.76 = 4,478.48/x
  3. Step 3: Cross multiply
    8,014.88x = 11,060.76 × 4,478.48
  4. Step 4: Simplify right side
    8,014.88x = 49,535,392.44
  5. Step 5: Solve for x
    x = 49,535,392.44/8,014.88
  6. Step 6: Final answer
    x = 6,180.43

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Half scale
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Double scale
Find fourth proportional to 8,015.88, 11,062.14 and 4,479.48
Similar ratio
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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.