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Finding the Fourth Proportional to 8,466.42, 11,689.52 and 6,473.52

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Solution

The fourth proportional to 8,466.42, 11,689.52 and 6,473.52 is: 8,937.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,466.42 : 11,689.52 = 6,473.52 : x
  2. Step 2: Convert to fraction form
    8,466.42/11,689.52 = 6,473.52/x
  3. Step 3: Cross multiply
    8,466.42x = 11,689.52 × 6,473.52
  4. Step 4: Simplify right side
    8,466.42x = 75,672,309.14
  5. Step 5: Solve for x
    x = 75,672,309.14/8,466.42
  6. Step 6: Final answer
    x = 8,937.93

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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.