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Finding the Fourth Proportional to 50,000.67, 74,977.92 and 18,402.80

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Solution

The fourth proportional to 50,000.67, 74,977.92 and 18,402.80 is: 27,595.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,000.67 : 74,977.92 = 18,402.80 : x
  2. Step 2: Convert to fraction form
    50,000.67/74,977.92 = 18,402.80/x
  3. Step 3: Cross multiply
    50,000.67x = 74,977.92 × 18,402.80
  4. Step 4: Simplify right side
    50,000.67x = 1,379,803,291.29
  5. Step 5: Solve for x
    x = 1,379,803,291.29/50,000.67
  6. Step 6: Final answer
    x = 27,595.70

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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.