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Finding the Fourth Proportional to 64,676.70, 97,015.05 and 56,900.70

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Solution

The fourth proportional to 64,676.70, 97,015.05 and 56,900.70 is: 85,351.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,676.70 : 97,015.05 = 56,900.70 : x
  2. Step 2: Convert to fraction form
    64,676.70/97,015.05 = 56,900.70/x
  3. Step 3: Cross multiply
    64,676.70x = 97,015.05 × 56,900.70
  4. Step 4: Simplify right side
    64,676.70x = 5,520,224,255.54
  5. Step 5: Solve for x
    x = 5,520,224,255.54/64,676.70
  6. Step 6: Final answer
    x = 85,351.05

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Similar ratio
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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.