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Finding the Fourth Proportional to 30,064.70, 41,489.06 and 16,635.98

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Solution

The fourth proportional to 30,064.70, 41,489.06 and 16,635.98 is: 22,957.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,064.70 : 41,489.06 = 16,635.98 : x
  2. Step 2: Convert to fraction form
    30,064.70/41,489.06 = 16,635.98/x
  3. Step 3: Cross multiply
    30,064.70x = 41,489.06 × 16,635.98
  4. Step 4: Simplify right side
    30,064.70x = 690,211,172.38
  5. Step 5: Solve for x
    x = 690,211,172.38/30,064.70
  6. Step 6: Final answer
    x = 22,957.53

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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.