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Finding the Fourth Proportional to 52,877.96, 72,966.98 and 30,212.44

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Solution

The fourth proportional to 52,877.96, 72,966.98 and 30,212.44 is: 41,690.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,877.96 : 72,966.98 = 30,212.44 : x
  2. Step 2: Convert to fraction form
    52,877.96/72,966.98 = 30,212.44/x
  3. Step 3: Cross multiply
    52,877.96x = 72,966.98 × 30,212.44
  4. Step 4: Simplify right side
    52,877.96x = 2,204,510,638.84
  5. Step 5: Solve for x
    x = 2,204,510,638.84/52,877.96
  6. Step 6: Final answer
    x = 41,690.54

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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.