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Finding the Fourth Proportional to 29,543.84, 40,770.23 and 16,968.68

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Solution

The fourth proportional to 29,543.84, 40,770.23 and 16,968.68 is: 23,416.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,543.84 : 40,770.23 = 16,968.68 : x
  2. Step 2: Convert to fraction form
    29,543.84/40,770.23 = 16,968.68/x
  3. Step 3: Cross multiply
    29,543.84x = 40,770.23 × 16,968.68
  4. Step 4: Simplify right side
    29,543.84x = 691,816,986.40
  5. Step 5: Solve for x
    x = 691,816,986.40/29,543.84
  6. Step 6: Final answer
    x = 23,416.62

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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.