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Finding the Fourth Proportional to 8,651.25, 12,966.35 and 4,693.12

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Solution

The fourth proportional to 8,651.25, 12,966.35 and 4,693.12 is: 7,033.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,651.25 : 12,966.35 = 4,693.12 : x
  2. Step 2: Convert to fraction form
    8,651.25/12,966.35 = 4,693.12/x
  3. Step 3: Cross multiply
    8,651.25x = 12,966.35 × 4,693.12
  4. Step 4: Simplify right side
    8,651.25x = 60,852,636.51
  5. Step 5: Solve for x
    x = 60,852,636.51/8,651.25
  6. Step 6: Final answer
    x = 7,033.97

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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.