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Finding the Fourth Proportional to 52,963.75, 79,445.63 and 19,692.19

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Solution

The fourth proportional to 52,963.75, 79,445.63 and 19,692.19 is: 29,538.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,963.75 : 79,445.63 = 19,692.19 : x
  2. Step 2: Convert to fraction form
    52,963.75/79,445.63 = 19,692.19/x
  3. Step 3: Cross multiply
    52,963.75x = 79,445.63 × 19,692.19
  4. Step 4: Simplify right side
    52,963.75x = 1,564,458,143.55
  5. Step 5: Solve for x
    x = 1,564,458,143.55/52,963.75
  6. Step 6: Final answer
    x = 29,538.28

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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.