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Finding the Fourth Proportional to 25,692.94, 38,539.55 and 7,923.38

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Solution

The fourth proportional to 25,692.94, 38,539.55 and 7,923.38 is: 11,885.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,692.94 : 38,539.55 = 7,923.38 : x
  2. Step 2: Convert to fraction form
    25,692.94/38,539.55 = 7,923.38/x
  3. Step 3: Cross multiply
    25,692.94x = 38,539.55 × 7,923.38
  4. Step 4: Simplify right side
    25,692.94x = 305,363,499.68
  5. Step 5: Solve for x
    x = 305,363,499.68/25,692.94
  6. Step 6: Final answer
    x = 11,885.11

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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.