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Finding the Fourth Proportional to 52,321.84, 72,200.58 and 29,658.56

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Solution

The fourth proportional to 52,321.84, 72,200.58 and 29,658.56 is: 40,926.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,321.84 : 72,200.58 = 29,658.56 : x
  2. Step 2: Convert to fraction form
    52,321.84/72,200.58 = 29,658.56/x
  3. Step 3: Cross multiply
    52,321.84x = 72,200.58 × 29,658.56
  4. Step 4: Simplify right side
    52,321.84x = 2,141,365,233.96
  5. Step 5: Solve for x
    x = 2,141,365,233.96/52,321.84
  6. Step 6: Final answer
    x = 40,926.80

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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.