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Finding the Fourth Proportional to 67,907.19, 93,711 and 37,692.45

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Solution

The fourth proportional to 67,907.19, 93,711 and 37,692.45 is: 52,015.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,907.19 : 93,711 = 37,692.45 : x
  2. Step 2: Convert to fraction form
    67,907.19/93,711 = 37,692.45/x
  3. Step 3: Cross multiply
    67,907.19x = 93,711 × 37,692.45
  4. Step 4: Simplify right side
    67,907.19x = 3,532,197,181.95
  5. Step 5: Solve for x
    x = 3,532,197,181.95/67,907.19
  6. Step 6: Final answer
    x = 52,015.07

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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.