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Finding the Fourth Proportional to 66,926.03, 92,359.15 and 36,712.90

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Solution

The fourth proportional to 66,926.03, 92,359.15 and 36,712.90 is: 50,664.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,926.03 : 92,359.15 = 36,712.90 : x
  2. Step 2: Convert to fraction form
    66,926.03/92,359.15 = 36,712.90/x
  3. Step 3: Cross multiply
    66,926.03x = 92,359.15 × 36,712.90
  4. Step 4: Simplify right side
    66,926.03x = 3,390,772,238.04
  5. Step 5: Solve for x
    x = 3,390,772,238.04/66,926.03
  6. Step 6: Final answer
    x = 50,664.48

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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.