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Finding the Fourth Proportional to 6,881.75, 9,500.75 and 4,530.72

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Solution

The fourth proportional to 6,881.75, 9,500.75 and 4,530.72 is: 6,254.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,881.75 : 9,500.75 = 4,530.72 : x
  2. Step 2: Convert to fraction form
    6,881.75/9,500.75 = 4,530.72/x
  3. Step 3: Cross multiply
    6,881.75x = 9,500.75 × 4,530.72
  4. Step 4: Simplify right side
    6,881.75x = 43,045,238.04
  5. Step 5: Solve for x
    x = 43,045,238.04/6,881.75
  6. Step 6: Final answer
    x = 6,254.98

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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.