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Finding the Fourth Proportional to 25,903.54, 38,854.14 and 8,133.76

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Solution

The fourth proportional to 25,903.54, 38,854.14 and 8,133.76 is: 12,200.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,903.54 : 38,854.14 = 8,133.76 : x
  2. Step 2: Convert to fraction form
    25,903.54/38,854.14 = 8,133.76/x
  3. Step 3: Cross multiply
    25,903.54x = 38,854.14 × 8,133.76
  4. Step 4: Simplify right side
    25,903.54x = 316,030,249.77
  5. Step 5: Solve for x
    x = 316,030,249.77/25,903.54
  6. Step 6: Final answer
    x = 12,200.27

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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.