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Finding the Fourth Proportional to 62,980.85, 94,469.80 and 25,530.90

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Solution

The fourth proportional to 62,980.85, 94,469.80 and 25,530.90 is: 38,295.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,980.85 : 94,469.80 = 25,530.90 : x
  2. Step 2: Convert to fraction form
    62,980.85/94,469.80 = 25,530.90/x
  3. Step 3: Cross multiply
    62,980.85x = 94,469.80 × 25,530.90
  4. Step 4: Simplify right side
    62,980.85x = 2,411,899,016.82
  5. Step 5: Solve for x
    x = 2,411,899,016.82/62,980.85
  6. Step 6: Final answer
    x = 38,295.76

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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.