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Finding the Fourth Proportional to 32,402.09, 44,715.83 and 18,972.09

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Solution

The fourth proportional to 32,402.09, 44,715.83 and 18,972.09 is: 26,182.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,402.09 : 44,715.83 = 18,972.09 : x
  2. Step 2: Convert to fraction form
    32,402.09/44,715.83 = 18,972.09/x
  3. Step 3: Cross multiply
    32,402.09x = 44,715.83 × 18,972.09
  4. Step 4: Simplify right side
    32,402.09x = 848,352,656.32
  5. Step 5: Solve for x
    x = 848,352,656.32/32,402.09
  6. Step 6: Final answer
    x = 26,182.04

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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.