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Finding the Fourth Proportional to 32,726.16, 45,160.74 and 18,579.78

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Solution

The fourth proportional to 32,726.16, 45,160.74 and 18,579.78 is: 25,639.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,726.16 : 45,160.74 = 18,579.78 : x
  2. Step 2: Convert to fraction form
    32,726.16/45,160.74 = 18,579.78/x
  3. Step 3: Cross multiply
    32,726.16x = 45,160.74 × 18,579.78
  4. Step 4: Simplify right side
    32,726.16x = 839,076,613.84
  5. Step 5: Solve for x
    x = 839,076,613.84/32,726.16
  6. Step 6: Final answer
    x = 25,639.32

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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.