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Finding the Fourth Proportional to 38,672.76, 57,924.90 and 23,885.40

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Solution

The fourth proportional to 38,672.76, 57,924.90 and 23,885.40 is: 35,776.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,672.76 : 57,924.90 = 23,885.40 : x
  2. Step 2: Convert to fraction form
    38,672.76/57,924.90 = 23,885.40/x
  3. Step 3: Cross multiply
    38,672.76x = 57,924.90 × 23,885.40
  4. Step 4: Simplify right side
    38,672.76x = 1,383,559,406.46
  5. Step 5: Solve for x
    x = 1,383,559,406.46/38,672.76
  6. Step 6: Final answer
    x = 35,776.07

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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.