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Finding the Fourth Proportional to 6,360.75, 8,777.84 and 3,566.25

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Solution

The fourth proportional to 6,360.75, 8,777.84 and 3,566.25 is: 4,921.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,360.75 : 8,777.84 = 3,566.25 : x
  2. Step 2: Convert to fraction form
    6,360.75/8,777.84 = 3,566.25/x
  3. Step 3: Cross multiply
    6,360.75x = 8,777.84 × 3,566.25
  4. Step 4: Simplify right side
    6,360.75x = 31,303,954.07
  5. Step 5: Solve for x
    x = 31,303,954.07/6,360.75
  6. Step 6: Final answer
    x = 4,921.43

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Half scale
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Double scale
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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.