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Finding the Fourth Proportional to 52,993.85, 73,159.94 and 40,867.81

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Solution

The fourth proportional to 52,993.85, 73,159.94 and 40,867.81 is: 56,419.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,993.85 : 73,159.94 = 40,867.81 : x
  2. Step 2: Convert to fraction form
    52,993.85/73,159.94 = 40,867.81/x
  3. Step 3: Cross multiply
    52,993.85x = 73,159.94 × 40,867.81
  4. Step 4: Simplify right side
    52,993.85x = 2,989,886,446.80
  5. Step 5: Solve for x
    x = 2,989,886,446.80/52,993.85
  6. Step 6: Final answer
    x = 56,419.50

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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.