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Finding the Fourth Proportional to 52,673.90, 72,692.24 and 28,799.15

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Solution

The fourth proportional to 52,673.90, 72,692.24 and 28,799.15 is: 39,744.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,673.90 : 72,692.24 = 28,799.15 : x
  2. Step 2: Convert to fraction form
    52,673.90/72,692.24 = 28,799.15/x
  3. Step 3: Cross multiply
    52,673.90x = 72,692.24 × 28,799.15
  4. Step 4: Simplify right side
    52,673.90x = 2,093,474,216.14
  5. Step 5: Solve for x
    x = 2,093,474,216.14/52,673.90
  6. Step 6: Final answer
    x = 39,744.06

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1.5x scale

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.