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Finding the Fourth Proportional to 6,919.52, 9,548.88 and 3,775.52

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Solution

The fourth proportional to 6,919.52, 9,548.88 and 3,775.52 is: 5,210.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.52 : 9,548.88 = 3,775.52 : x
  2. Step 2: Convert to fraction form
    6,919.52/9,548.88 = 3,775.52/x
  3. Step 3: Cross multiply
    6,919.52x = 9,548.88 × 3,775.52
  4. Step 4: Simplify right side
    6,919.52x = 36,051,987.42
  5. Step 5: Solve for x
    x = 36,051,987.42/6,919.52
  6. Step 6: Final answer
    x = 5,210.19

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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.