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Finding the Fourth Proportional to 43,432.80, 65,100.60 and 22,364.70

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Solution

The fourth proportional to 43,432.80, 65,100.60 and 22,364.70 is: 33,522.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,432.80 : 65,100.60 = 22,364.70 : x
  2. Step 2: Convert to fraction form
    43,432.80/65,100.60 = 22,364.70/x
  3. Step 3: Cross multiply
    43,432.80x = 65,100.60 × 22,364.70
  4. Step 4: Simplify right side
    43,432.80x = 1,455,955,388.82
  5. Step 5: Solve for x
    x = 1,455,955,388.82/43,432.80
  6. Step 6: Final answer
    x = 33,522.02

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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.