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Finding the Fourth Proportional to 52,819, 79,129.62 and 26,492.92

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Solution

The fourth proportional to 52,819, 79,129.62 and 26,492.92 is: 39,689.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,819 : 79,129.62 = 26,492.92 : x
  2. Step 2: Convert to fraction form
    52,819/79,129.62 = 26,492.92/x
  3. Step 3: Cross multiply
    52,819x = 79,129.62 × 26,492.92
  4. Step 4: Simplify right side
    52,819x = 2,096,374,692.29
  5. Step 5: Solve for x
    x = 2,096,374,692.29/52,819
  6. Step 6: Final answer
    x = 39,689.78

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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.