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Finding the Fourth Proportional to 31,630.51, 43,648.23 and 17,482.51

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Solution

The fourth proportional to 31,630.51, 43,648.23 and 17,482.51 is: 24,124.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,630.51 : 43,648.23 = 17,482.51 : x
  2. Step 2: Convert to fraction form
    31,630.51/43,648.23 = 17,482.51/x
  3. Step 3: Cross multiply
    31,630.51x = 43,648.23 × 17,482.51
  4. Step 4: Simplify right side
    31,630.51x = 763,080,617.46
  5. Step 5: Solve for x
    x = 763,080,617.46/31,630.51
  6. Step 6: Final answer
    x = 24,124.83

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