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Finding the Fourth Proportional to 8,672.46, 11,973.14 and 5,693.51

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Solution

The fourth proportional to 8,672.46, 11,973.14 and 5,693.51 is: 7,860.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,672.46 : 11,973.14 = 5,693.51 : x
  2. Step 2: Convert to fraction form
    8,672.46/11,973.14 = 5,693.51/x
  3. Step 3: Cross multiply
    8,672.46x = 11,973.14 × 5,693.51
  4. Step 4: Simplify right side
    8,672.46x = 68,169,192.32
  5. Step 5: Solve for x
    x = 68,169,192.32/8,672.46
  6. Step 6: Final answer
    x = 7,860.42

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1.5x scale

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.