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Finding the Fourth Proportional to 32,989.84, 45,532.07 and 18,842.68

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Solution

The fourth proportional to 32,989.84, 45,532.07 and 18,842.68 is: 26,006.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,989.84 : 45,532.07 = 18,842.68 : x
  2. Step 2: Convert to fraction form
    32,989.84/45,532.07 = 18,842.68/x
  3. Step 3: Cross multiply
    32,989.84x = 45,532.07 × 18,842.68
  4. Step 4: Simplify right side
    32,989.84x = 857,946,224.75
  5. Step 5: Solve for x
    x = 857,946,224.75/32,989.84
  6. Step 6: Final answer
    x = 26,006.38

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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.