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Finding the Fourth Proportional to 6,888.33, 9,505.69 and 4,055.05

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Solution

The fourth proportional to 6,888.33, 9,505.69 and 4,055.05 is: 5,595.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,888.33 : 9,505.69 = 4,055.05 : x
  2. Step 2: Convert to fraction form
    6,888.33/9,505.69 = 4,055.05/x
  3. Step 3: Cross multiply
    6,888.33x = 9,505.69 × 4,055.05
  4. Step 4: Simplify right side
    6,888.33x = 38,546,049.98
  5. Step 5: Solve for x
    x = 38,546,049.98/6,888.33
  6. Step 6: Final answer
    x = 5,595.85

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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.