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Finding the Fourth Proportional to 53,374.70, 80,059.16 and 27,078.76

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Solution

The fourth proportional to 53,374.70, 80,059.16 and 27,078.76 is: 40,616.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,374.70 : 80,059.16 = 27,078.76 : x
  2. Step 2: Convert to fraction form
    53,374.70/80,059.16 = 27,078.76/x
  3. Step 3: Cross multiply
    53,374.70x = 80,059.16 × 27,078.76
  4. Step 4: Simplify right side
    53,374.70x = 2,167,902,443.90
  5. Step 5: Solve for x
    x = 2,167,902,443.90/53,374.70
  6. Step 6: Final answer
    x = 40,616.67

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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.