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Finding the Fourth Proportional to 32,951.76, 45,476.70 and 18,806.74

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Solution

The fourth proportional to 32,951.76, 45,476.70 and 18,806.74 is: 25,955.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,951.76 : 45,476.70 = 18,806.74 : x
  2. Step 2: Convert to fraction form
    32,951.76/45,476.70 = 18,806.74/x
  3. Step 3: Cross multiply
    32,951.76x = 45,476.70 × 18,806.74
  4. Step 4: Simplify right side
    32,951.76x = 855,268,472.96
  5. Step 5: Solve for x
    x = 855,268,472.96/32,951.76
  6. Step 6: Final answer
    x = 25,955.17

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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.