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Finding the Fourth Proportional to 59,661.68, 89,492.11 and 20,246.54

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Solution

The fourth proportional to 59,661.68, 89,492.11 and 20,246.54 is: 30,369.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,661.68 : 89,492.11 = 20,246.54 : x
  2. Step 2: Convert to fraction form
    59,661.68/89,492.11 = 20,246.54/x
  3. Step 3: Cross multiply
    59,661.68x = 89,492.11 × 20,246.54
  4. Step 4: Simplify right side
    59,661.68x = 1,811,905,086.72
  5. Step 5: Solve for x
    x = 1,811,905,086.72/59,661.68
  6. Step 6: Final answer
    x = 30,369.67

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1.5x scale

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.