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Finding the Fourth Proportional to 50,719.73, 70,050.65 and 34,559.01

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Solution

The fourth proportional to 50,719.73, 70,050.65 and 34,559.01 is: 47,730.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,719.73 : 70,050.65 = 34,559.01 : x
  2. Step 2: Convert to fraction form
    50,719.73/70,050.65 = 34,559.01/x
  3. Step 3: Cross multiply
    50,719.73x = 70,050.65 × 34,559.01
  4. Step 4: Simplify right side
    50,719.73x = 2,420,880,941.06
  5. Step 5: Solve for x
    x = 2,420,880,941.06/50,719.73
  6. Step 6: Final answer
    x = 47,730.56

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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.