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Finding the Fourth Proportional to 8,682.59, 12,995.47 and 4,723.96

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Solution

The fourth proportional to 8,682.59, 12,995.47 and 4,723.96 is: 7,070.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.59 : 12,995.47 = 4,723.96 : x
  2. Step 2: Convert to fraction form
    8,682.59/12,995.47 = 4,723.96/x
  3. Step 3: Cross multiply
    8,682.59x = 12,995.47 × 4,723.96
  4. Step 4: Simplify right side
    8,682.59x = 61,390,080.46
  5. Step 5: Solve for x
    x = 61,390,080.46/8,682.59
  6. Step 6: Final answer
    x = 7,070.48

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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.