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Finding the Fourth Proportional to 25,859.64, 38,793.64 and 11,068.76

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Solution

The fourth proportional to 25,859.64, 38,793.64 and 11,068.76 is: 16,604.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,859.64 : 38,793.64 = 11,068.76 : x
  2. Step 2: Convert to fraction form
    25,859.64/38,793.64 = 11,068.76/x
  3. Step 3: Cross multiply
    25,859.64x = 38,793.64 × 11,068.76
  4. Step 4: Simplify right side
    25,859.64x = 429,397,490.69
  5. Step 5: Solve for x
    x = 429,397,490.69/25,859.64
  6. Step 6: Final answer
    x = 16,604.93

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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.