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Finding the Fourth Proportional to 32,806.74, 45,274.78 and 18,471.51

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Solution

The fourth proportional to 32,806.74, 45,274.78 and 18,471.51 is: 25,491.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,806.74 : 45,274.78 = 18,471.51 : x
  2. Step 2: Convert to fraction form
    32,806.74/45,274.78 = 18,471.51/x
  3. Step 3: Cross multiply
    32,806.74x = 45,274.78 × 18,471.51
  4. Step 4: Simplify right side
    32,806.74x = 836,293,574.61
  5. Step 5: Solve for x
    x = 836,293,574.61/32,806.74
  6. Step 6: Final answer
    x = 25,491.51

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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.