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Finding the Fourth Proportional to 33,298.46, 45,954 and 19,151

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Solution

The fourth proportional to 33,298.46, 45,954 and 19,151 is: 26,429.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,298.46 : 45,954 = 19,151 : x
  2. Step 2: Convert to fraction form
    33,298.46/45,954 = 19,151/x
  3. Step 3: Cross multiply
    33,298.46x = 45,954 × 19,151
  4. Step 4: Simplify right side
    33,298.46x = 880,065,054
  5. Step 5: Solve for x
    x = 880,065,054/33,298.46
  6. Step 6: Final answer
    x = 26,429.60

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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.