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Finding the Fourth Proportional to 47,676.87, 65,793.47 and 26,455.68

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Solution

The fourth proportional to 47,676.87, 65,793.47 and 26,455.68 is: 36,508.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,676.87 : 65,793.47 = 26,455.68 : x
  2. Step 2: Convert to fraction form
    47,676.87/65,793.47 = 26,455.68/x
  3. Step 3: Cross multiply
    47,676.87x = 65,793.47 × 26,455.68
  4. Step 4: Simplify right side
    47,676.87x = 1,740,610,856.13
  5. Step 5: Solve for x
    x = 1,740,610,856.13/47,676.87
  6. Step 6: Final answer
    x = 36,508.50

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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.