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Finding the Fourth Proportional to 33,405.40, 50,108.10 and 21,595.60

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Solution

The fourth proportional to 33,405.40, 50,108.10 and 21,595.60 is: 32,393.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,405.40 : 50,108.10 = 21,595.60 : x
  2. Step 2: Convert to fraction form
    33,405.40/50,108.10 = 21,595.60/x
  3. Step 3: Cross multiply
    33,405.40x = 50,108.10 × 21,595.60
  4. Step 4: Simplify right side
    33,405.40x = 1,082,114,484.36
  5. Step 5: Solve for x
    x = 1,082,114,484.36/33,405.40
  6. Step 6: Final answer
    x = 32,393.40

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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.