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Finding the Fourth Proportional to 69,693.98, 96,179.76 and 39,483.59

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Solution

The fourth proportional to 69,693.98, 96,179.76 and 39,483.59 is: 54,488.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,693.98 : 96,179.76 = 39,483.59 : x
  2. Step 2: Convert to fraction form
    69,693.98/96,179.76 = 39,483.59/x
  3. Step 3: Cross multiply
    69,693.98x = 96,179.76 × 39,483.59
  4. Step 4: Simplify right side
    69,693.98x = 3,797,521,729.24
  5. Step 5: Solve for x
    x = 3,797,521,729.24/69,693.98
  6. Step 6: Final answer
    x = 54,488.52

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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.