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Finding the Fourth Proportional to 8,054.55, 11,113.74 and 4,867.20

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Solution

The fourth proportional to 8,054.55, 11,113.74 and 4,867.20 is: 6,715.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,054.55 : 11,113.74 = 4,867.20 : x
  2. Step 2: Convert to fraction form
    8,054.55/11,113.74 = 4,867.20/x
  3. Step 3: Cross multiply
    8,054.55x = 11,113.74 × 4,867.20
  4. Step 4: Simplify right side
    8,054.55x = 54,092,795.33
  5. Step 5: Solve for x
    x = 54,092,795.33/8,054.55
  6. Step 6: Final answer
    x = 6,715.81

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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.