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Finding the Fourth Proportional to 6,293.61, 8,681.91 and 3,774.51

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Solution

The fourth proportional to 6,293.61, 8,681.91 and 3,774.51 is: 5,206.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,293.61 : 8,681.91 = 3,774.51 : x
  2. Step 2: Convert to fraction form
    6,293.61/8,681.91 = 3,774.51/x
  3. Step 3: Cross multiply
    6,293.61x = 8,681.91 × 3,774.51
  4. Step 4: Simplify right side
    6,293.61x = 32,769,956.11
  5. Step 5: Solve for x
    x = 32,769,956.11/6,293.61
  6. Step 6: Final answer
    x = 5,206.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.