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Finding the Fourth Proportional to 33,165.60, 49,748.40 and 20,043.60

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Solution

The fourth proportional to 33,165.60, 49,748.40 and 20,043.60 is: 30,065.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,165.60 : 49,748.40 = 20,043.60 : x
  2. Step 2: Convert to fraction form
    33,165.60/49,748.40 = 20,043.60/x
  3. Step 3: Cross multiply
    33,165.60x = 49,748.40 × 20,043.60
  4. Step 4: Simplify right side
    33,165.60x = 997,137,030.24
  5. Step 5: Solve for x
    x = 997,137,030.24/33,165.60
  6. Step 6: Final answer
    x = 30,065.40

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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.