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Finding the Fourth Proportional to 64,814.70, 97,162.82 and 54,883.40

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Solution

The fourth proportional to 64,814.70, 97,162.82 and 54,883.40 is: 82,274.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,814.70 : 97,162.82 = 54,883.40 : x
  2. Step 2: Convert to fraction form
    64,814.70/97,162.82 = 54,883.40/x
  3. Step 3: Cross multiply
    64,814.70x = 97,162.82 × 54,883.40
  4. Step 4: Simplify right side
    64,814.70x = 5,332,625,154.96
  5. Step 5: Solve for x
    x = 5,332,625,154.96/64,814.70
  6. Step 6: Final answer
    x = 82,274.93

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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.