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Finding the Fourth Proportional to 32,894.70, 45,394.59 and 18,747.51

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Solution

The fourth proportional to 32,894.70, 45,394.59 and 18,747.51 is: 25,871.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,894.70 : 45,394.59 = 18,747.51 : x
  2. Step 2: Convert to fraction form
    32,894.70/45,394.59 = 18,747.51/x
  3. Step 3: Cross multiply
    32,894.70x = 45,394.59 × 18,747.51
  4. Step 4: Simplify right side
    32,894.70x = 851,035,529.97
  5. Step 5: Solve for x
    x = 851,035,529.97/32,894.70
  6. Step 6: Final answer
    x = 25,871.51

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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.