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Finding the Fourth Proportional to 32,892.36, 45,390.78 and 17,988.36

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Solution

The fourth proportional to 32,892.36, 45,390.78 and 17,988.36 is: 24,823.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,892.36 : 45,390.78 = 17,988.36 : x
  2. Step 2: Convert to fraction form
    32,892.36/45,390.78 = 17,988.36/x
  3. Step 3: Cross multiply
    32,892.36x = 45,390.78 × 17,988.36
  4. Step 4: Simplify right side
    32,892.36x = 816,505,691.32
  5. Step 5: Solve for x
    x = 816,505,691.32/32,892.36
  6. Step 6: Final answer
    x = 24,823.57

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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.