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Finding the Fourth Proportional to 6,888.86, 9,506.64 and 3,745.05

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Solution

The fourth proportional to 6,888.86, 9,506.64 and 3,745.05 is: 5,168.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,888.86 : 9,506.64 = 3,745.05 : x
  2. Step 2: Convert to fraction form
    6,888.86/9,506.64 = 3,745.05/x
  3. Step 3: Cross multiply
    6,888.86x = 9,506.64 × 3,745.05
  4. Step 4: Simplify right side
    6,888.86x = 35,602,863.47
  5. Step 5: Solve for x
    x = 35,602,863.47/6,888.86
  6. Step 6: Final answer
    x = 5,168.18

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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.