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Finding the Fourth Proportional to 62,308.50, 85,984.95 and 35,450.94

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Solution

The fourth proportional to 62,308.50, 85,984.95 and 35,450.94 is: 48,921.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,308.50 : 85,984.95 = 35,450.94 : x
  2. Step 2: Convert to fraction form
    62,308.50/85,984.95 = 35,450.94/x
  3. Step 3: Cross multiply
    62,308.50x = 85,984.95 × 35,450.94
  4. Step 4: Simplify right side
    62,308.50x = 3,048,247,303.35
  5. Step 5: Solve for x
    x = 3,048,247,303.35/62,308.50
  6. Step 6: Final answer
    x = 48,921.85

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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.