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Finding the Fourth Proportional to 63,486.70, 95,348.56 and 55,890.67

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Solution

The fourth proportional to 63,486.70, 95,348.56 and 55,890.67 is: 83,940.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,486.70 : 95,348.56 = 55,890.67 : x
  2. Step 2: Convert to fraction form
    63,486.70/95,348.56 = 55,890.67/x
  3. Step 3: Cross multiply
    63,486.70x = 95,348.56 × 55,890.67
  4. Step 4: Simplify right side
    63,486.70x = 5,329,094,425.19
  5. Step 5: Solve for x
    x = 5,329,094,425.19/63,486.70
  6. Step 6: Final answer
    x = 83,940.33

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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.