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Finding the Fourth Proportional to 59,305.44, 81,405.66 and 52,440.72

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Solution

The fourth proportional to 59,305.44, 81,405.66 and 52,440.72 is: 71,982.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,305.44 : 81,405.66 = 52,440.72 : x
  2. Step 2: Convert to fraction form
    59,305.44/81,405.66 = 52,440.72/x
  3. Step 3: Cross multiply
    59,305.44x = 81,405.66 × 52,440.72
  4. Step 4: Simplify right side
    59,305.44x = 4,268,971,422.48
  5. Step 5: Solve for x
    x = 4,268,971,422.48/59,305.44
  6. Step 6: Final answer
    x = 71,982.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.