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Finding the Fourth Proportional to 32,894.72, 45,399.04 and 18,744.32

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Solution

The fourth proportional to 32,894.72, 45,399.04 and 18,744.32 is: 25,869.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,894.72 : 45,399.04 = 18,744.32 : x
  2. Step 2: Convert to fraction form
    32,894.72/45,399.04 = 18,744.32/x
  3. Step 3: Cross multiply
    32,894.72x = 45,399.04 × 18,744.32
  4. Step 4: Simplify right side
    32,894.72x = 850,974,133.45
  5. Step 5: Solve for x
    x = 850,974,133.45/32,894.72
  6. Step 6: Final answer
    x = 25,869.63

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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.