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Finding the Fourth Proportional to 38,254.84, 57,275.82 and 19,494.42

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Solution

The fourth proportional to 38,254.84, 57,275.82 and 19,494.42 is: 29,187.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,254.84 : 57,275.82 = 19,494.42 : x
  2. Step 2: Convert to fraction form
    38,254.84/57,275.82 = 19,494.42/x
  3. Step 3: Cross multiply
    38,254.84x = 57,275.82 × 19,494.42
  4. Step 4: Simplify right side
    38,254.84x = 1,116,558,890.92
  5. Step 5: Solve for x
    x = 1,116,558,890.92/38,254.84
  6. Step 6: Final answer
    x = 29,187.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.