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Finding the Fourth Proportional to 48,753.59, 73,133.10 and 13,690.50

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Solution

The fourth proportional to 48,753.59, 73,133.10 and 13,690.50 is: 20,536.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,753.59 : 73,133.10 = 13,690.50 : x
  2. Step 2: Convert to fraction form
    48,753.59/73,133.10 = 13,690.50/x
  3. Step 3: Cross multiply
    48,753.59x = 73,133.10 × 13,690.50
  4. Step 4: Simplify right side
    48,753.59x = 1,001,228,705.55
  5. Step 5: Solve for x
    x = 1,001,228,705.55/48,753.59
  6. Step 6: Final answer
    x = 20,536.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.