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Finding the Fourth Proportional to 48,529.81, 72,742.87 and 34,636.69

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Solution

The fourth proportional to 48,529.81, 72,742.87 and 34,636.69 is: 51,918.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,529.81 : 72,742.87 = 34,636.69 : x
  2. Step 2: Convert to fraction form
    48,529.81/72,742.87 = 34,636.69/x
  3. Step 3: Cross multiply
    48,529.81x = 72,742.87 × 34,636.69
  4. Step 4: Simplify right side
    48,529.81x = 2,519,572,237.90
  5. Step 5: Solve for x
    x = 2,519,572,237.90/48,529.81
  6. Step 6: Final answer
    x = 51,918.03

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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.