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Finding the Fourth Proportional to 69,848.60, 96,404.36 and 39,636.73

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Solution

The fourth proportional to 69,848.60, 96,404.36 and 39,636.73 is: 54,706.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,848.60 : 96,404.36 = 39,636.73 : x
  2. Step 2: Convert to fraction form
    69,848.60/96,404.36 = 39,636.73/x
  3. Step 3: Cross multiply
    69,848.60x = 96,404.36 × 39,636.73
  4. Step 4: Simplify right side
    69,848.60x = 3,821,153,510.46
  5. Step 5: Solve for x
    x = 3,821,153,510.46/69,848.60
  6. Step 6: Final answer
    x = 54,706.23

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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.