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Finding the Fourth Proportional to 24,951.40, 37,427.70 and 7,421.80

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Solution

The fourth proportional to 24,951.40, 37,427.70 and 7,421.80 is: 11,132.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,951.40 : 37,427.70 = 7,421.80 : x
  2. Step 2: Convert to fraction form
    24,951.40/37,427.70 = 7,421.80/x
  3. Step 3: Cross multiply
    24,951.40x = 37,427.70 × 7,421.80
  4. Step 4: Simplify right side
    24,951.40x = 277,780,903.86
  5. Step 5: Solve for x
    x = 277,780,903.86/24,951.40
  6. Step 6: Final answer
    x = 11,132.88

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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.