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Finding the Fourth Proportional to 32,988, 45,526.32 and 18,086.88

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Solution

The fourth proportional to 32,988, 45,526.32 and 18,086.88 is: 24,961.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,988 : 45,526.32 = 18,086.88 : x
  2. Step 2: Convert to fraction form
    32,988/45,526.32 = 18,086.88/x
  3. Step 3: Cross multiply
    32,988x = 45,526.32 × 18,086.88
  4. Step 4: Simplify right side
    32,988x = 823,429,086.68
  5. Step 5: Solve for x
    x = 823,429,086.68/32,988
  6. Step 6: Final answer
    x = 24,961.47

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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.