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Finding the Fourth Proportional to 32,756.58, 45,205.29 and 18,611.82

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Solution

The fourth proportional to 32,756.58, 45,205.29 and 18,611.82 is: 25,685.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,756.58 : 45,205.29 = 18,611.82 : x
  2. Step 2: Convert to fraction form
    32,756.58/45,205.29 = 18,611.82/x
  3. Step 3: Cross multiply
    32,756.58x = 45,205.29 × 18,611.82
  4. Step 4: Simplify right side
    32,756.58x = 841,352,720.53
  5. Step 5: Solve for x
    x = 841,352,720.53/32,756.58
  6. Step 6: Final answer
    x = 25,685.00

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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.