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Finding the Fourth Proportional to 32,893.50, 45,394.11 and 17,989.50

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Solution

The fourth proportional to 32,893.50, 45,394.11 and 17,989.50 is: 24,826.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,893.50 : 45,394.11 = 17,989.50 : x
  2. Step 2: Convert to fraction form
    32,893.50/45,394.11 = 17,989.50/x
  3. Step 3: Cross multiply
    32,893.50x = 45,394.11 × 17,989.50
  4. Step 4: Simplify right side
    32,893.50x = 816,617,341.85
  5. Step 5: Solve for x
    x = 816,617,341.85/32,893.50
  6. Step 6: Final answer
    x = 24,826.10

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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.