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Finding the Fourth Proportional to 30,266.40, 41,722.11 and 23,881.98

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Solution

The fourth proportional to 30,266.40, 41,722.11 and 23,881.98 is: 32,921.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,266.40 : 41,722.11 = 23,881.98 : x
  2. Step 2: Convert to fraction form
    30,266.40/41,722.11 = 23,881.98/x
  3. Step 3: Cross multiply
    30,266.40x = 41,722.11 × 23,881.98
  4. Step 4: Simplify right side
    30,266.40x = 996,406,596.58
  5. Step 5: Solve for x
    x = 996,406,596.58/30,266.40
  6. Step 6: Final answer
    x = 32,921.21

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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.