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Finding the Fourth Proportional to 40,093.79, 60,123.74 and 12,017.84

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Solution

The fourth proportional to 40,093.79, 60,123.74 and 12,017.84 is: 18,021.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,093.79 : 60,123.74 = 12,017.84 : x
  2. Step 2: Convert to fraction form
    40,093.79/60,123.74 = 12,017.84/x
  3. Step 3: Cross multiply
    40,093.79x = 60,123.74 × 12,017.84
  4. Step 4: Simplify right side
    40,093.79x = 722,557,126.81
  5. Step 5: Solve for x
    x = 722,557,126.81/40,093.79
  6. Step 6: Final answer
    x = 18,021.67

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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.