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Finding the Fourth Proportional to 59,955.94, 89,989.14 and 30,394.45

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Solution

The fourth proportional to 59,955.94, 89,989.14 and 30,394.45 is: 45,619.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,955.94 : 89,989.14 = 30,394.45 : x
  2. Step 2: Convert to fraction form
    59,955.94/89,989.14 = 30,394.45/x
  3. Step 3: Cross multiply
    59,955.94x = 89,989.14 × 30,394.45
  4. Step 4: Simplify right side
    59,955.94x = 2,735,170,416.27
  5. Step 5: Solve for x
    x = 2,735,170,416.27/59,955.94
  6. Step 6: Final answer
    x = 45,619.67

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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.