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Finding the Fourth Proportional to 32,689.56, 45,112.41 and 17,785.56

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Solution

The fourth proportional to 32,689.56, 45,112.41 and 17,785.56 is: 24,544.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,689.56 : 45,112.41 = 17,785.56 : x
  2. Step 2: Convert to fraction form
    32,689.56/45,112.41 = 17,785.56/x
  3. Step 3: Cross multiply
    32,689.56x = 45,112.41 × 17,785.56
  4. Step 4: Simplify right side
    32,689.56x = 802,349,474.80
  5. Step 5: Solve for x
    x = 802,349,474.80/32,689.56
  6. Step 6: Final answer
    x = 24,544.52

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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.