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Finding the Fourth Proportional to 8,646.36, 12,958.56 and 3,710.22

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Solution

The fourth proportional to 8,646.36, 12,958.56 and 3,710.22 is: 5,560.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,646.36 : 12,958.56 = 3,710.22 : x
  2. Step 2: Convert to fraction form
    8,646.36/12,958.56 = 3,710.22/x
  3. Step 3: Cross multiply
    8,646.36x = 12,958.56 × 3,710.22
  4. Step 4: Simplify right side
    8,646.36x = 48,079,108.48
  5. Step 5: Solve for x
    x = 48,079,108.48/8,646.36
  6. Step 6: Final answer
    x = 5,560.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.