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Finding the Fourth Proportional to 43,790.80, 60,432.80 and 25,901.16

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Solution

The fourth proportional to 43,790.80, 60,432.80 and 25,901.16 is: 35,744.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,790.80 : 60,432.80 = 25,901.16 : x
  2. Step 2: Convert to fraction form
    43,790.80/60,432.80 = 25,901.16/x
  3. Step 3: Cross multiply
    43,790.80x = 60,432.80 × 25,901.16
  4. Step 4: Simplify right side
    43,790.80x = 1,565,279,622.05
  5. Step 5: Solve for x
    x = 1,565,279,622.05/43,790.80
  6. Step 6: Final answer
    x = 35,744.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.