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Finding the Fourth Proportional to 33,506.40, 50,216.40 and 15,938.40

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Solution

The fourth proportional to 33,506.40, 50,216.40 and 15,938.40 is: 23,887.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,506.40 : 50,216.40 = 15,938.40 : x
  2. Step 2: Convert to fraction form
    33,506.40/50,216.40 = 15,938.40/x
  3. Step 3: Cross multiply
    33,506.40x = 50,216.40 × 15,938.40
  4. Step 4: Simplify right side
    33,506.40x = 800,369,069.76
  5. Step 5: Solve for x
    x = 800,369,069.76/33,506.40
  6. Step 6: Final answer
    x = 23,887.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.