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Finding the Fourth Proportional to 48,403.70, 72,602.93 and 15,119.94

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Solution

The fourth proportional to 48,403.70, 72,602.93 and 15,119.94 is: 22,679.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,403.70 : 72,602.93 = 15,119.94 : x
  2. Step 2: Convert to fraction form
    48,403.70/72,602.93 = 15,119.94/x
  3. Step 3: Cross multiply
    48,403.70x = 72,602.93 × 15,119.94
  4. Step 4: Simplify right side
    48,403.70x = 1,097,751,983.22
  5. Step 5: Solve for x
    x = 1,097,751,983.22/48,403.70
  6. Step 6: Final answer
    x = 22,679.09

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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.