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Finding the Fourth Proportional to 53,503.20, 80,168.40 and 33,746.40

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Solution

The fourth proportional to 53,503.20, 80,168.40 and 33,746.40 is: 50,565.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,503.20 : 80,168.40 = 33,746.40 : x
  2. Step 2: Convert to fraction form
    53,503.20/80,168.40 = 33,746.40/x
  3. Step 3: Cross multiply
    53,503.20x = 80,168.40 × 33,746.40
  4. Step 4: Simplify right side
    53,503.20x = 2,705,394,893.76
  5. Step 5: Solve for x
    x = 2,705,394,893.76/53,503.20
  6. Step 6: Final answer
    x = 50,565.10

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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.