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Finding the Fourth Proportional to 32,894.36, 45,393.54 and 17,990.36

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Solution

The fourth proportional to 32,894.36, 45,393.54 and 17,990.36 is: 24,826.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,894.36 : 45,393.54 = 17,990.36 : x
  2. Step 2: Convert to fraction form
    32,894.36/45,393.54 = 17,990.36/x
  3. Step 3: Cross multiply
    32,894.36x = 45,393.54 × 17,990.36
  4. Step 4: Simplify right side
    32,894.36x = 816,646,126.27
  5. Step 5: Solve for x
    x = 816,646,126.27/32,894.36
  6. Step 6: Final answer
    x = 24,826.33

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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.