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Finding the Fourth Proportional to 8,485.44, 11,710 and 4,708.68

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Solution

The fourth proportional to 8,485.44, 11,710 and 4,708.68 is: 6,498.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,485.44 : 11,710 = 4,708.68 : x
  2. Step 2: Convert to fraction form
    8,485.44/11,710 = 4,708.68/x
  3. Step 3: Cross multiply
    8,485.44x = 11,710 × 4,708.68
  4. Step 4: Simplify right side
    8,485.44x = 55,138,642.80
  5. Step 5: Solve for x
    x = 55,138,642.80/8,485.44
  6. Step 6: Final answer
    x = 6,498.03

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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.