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Finding the Fourth Proportional to 52,709.96, 79,096.12 and 19,453.18

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Solution

The fourth proportional to 52,709.96, 79,096.12 and 19,453.18 is: 29,191.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,709.96 : 79,096.12 = 19,453.18 : x
  2. Step 2: Convert to fraction form
    52,709.96/79,096.12 = 19,453.18/x
  3. Step 3: Cross multiply
    52,709.96x = 79,096.12 × 19,453.18
  4. Step 4: Simplify right side
    52,709.96x = 1,538,670,813.29
  5. Step 5: Solve for x
    x = 1,538,670,813.29/52,709.96
  6. Step 6: Final answer
    x = 29,191.28

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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.