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Finding the Fourth Proportional to 8,305.32, 12,462.84 and 4,610.64

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Solution

The fourth proportional to 8,305.32, 12,462.84 and 4,610.64 is: 6,918.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305.32 : 12,462.84 = 4,610.64 : x
  2. Step 2: Convert to fraction form
    8,305.32/12,462.84 = 4,610.64/x
  3. Step 3: Cross multiply
    8,305.32x = 12,462.84 × 4,610.64
  4. Step 4: Simplify right side
    8,305.32x = 57,461,668.62
  5. Step 5: Solve for x
    x = 57,461,668.62/8,305.32
  6. Step 6: Final answer
    x = 6,918.66

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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.