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Finding the Fourth Proportional to 40,093.50, 60,140.50 and 10,511.07

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Solution

The fourth proportional to 40,093.50, 60,140.50 and 10,511.07 is: 15,766.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,093.50 : 60,140.50 = 10,511.07 : x
  2. Step 2: Convert to fraction form
    40,093.50/60,140.50 = 10,511.07/x
  3. Step 3: Cross multiply
    40,093.50x = 60,140.50 × 10,511.07
  4. Step 4: Simplify right side
    40,093.50x = 632,141,005.34
  5. Step 5: Solve for x
    x = 632,141,005.34/40,093.50
  6. Step 6: Final answer
    x = 15,766.67

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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.