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Finding the Fourth Proportional to 63,692.70, 95,539.05 and 19,317.30

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Solution

The fourth proportional to 63,692.70, 95,539.05 and 19,317.30 is: 28,975.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,692.70 : 95,539.05 = 19,317.30 : x
  2. Step 2: Convert to fraction form
    63,692.70/95,539.05 = 19,317.30/x
  3. Step 3: Cross multiply
    63,692.70x = 95,539.05 × 19,317.30
  4. Step 4: Simplify right side
    63,692.70x = 1,845,556,490.57
  5. Step 5: Solve for x
    x = 1,845,556,490.57/63,692.70
  6. Step 6: Final answer
    x = 28,975.95

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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.