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Finding the Fourth Proportional to 53,692.67, 74,093.85 and 29,820.87

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Solution

The fourth proportional to 53,692.67, 74,093.85 and 29,820.87 is: 41,151.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,692.67 : 74,093.85 = 29,820.87 : x
  2. Step 2: Convert to fraction form
    53,692.67/74,093.85 = 29,820.87/x
  3. Step 3: Cross multiply
    53,692.67x = 74,093.85 × 29,820.87
  4. Step 4: Simplify right side
    53,692.67x = 2,209,543,068.65
  5. Step 5: Solve for x
    x = 2,209,543,068.65/53,692.67
  6. Step 6: Final answer
    x = 41,151.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.