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Finding the Fourth Proportional to 47,608.59, 65,698.83 and 26,387.67

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Solution

The fourth proportional to 47,608.59, 65,698.83 and 26,387.67 is: 36,414.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,608.59 : 65,698.83 = 26,387.67 : x
  2. Step 2: Convert to fraction form
    47,608.59/65,698.83 = 26,387.67/x
  3. Step 3: Cross multiply
    47,608.59x = 65,698.83 × 26,387.67
  4. Step 4: Simplify right side
    47,608.59x = 1,733,639,045.43
  5. Step 5: Solve for x
    x = 1,733,639,045.43/47,608.59
  6. Step 6: Final answer
    x = 36,414.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.