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Finding the Fourth Proportional to 67,852.42, 93,636.42 and 39,563.58

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Solution

The fourth proportional to 67,852.42, 93,636.42 and 39,563.58 is: 54,597.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,852.42 : 93,636.42 = 39,563.58 : x
  2. Step 2: Convert to fraction form
    67,852.42/93,636.42 = 39,563.58/x
  3. Step 3: Cross multiply
    67,852.42x = 93,636.42 × 39,563.58
  4. Step 4: Simplify right side
    67,852.42x = 3,704,591,525.40
  5. Step 5: Solve for x
    x = 3,704,591,525.40/67,852.42
  6. Step 6: Final answer
    x = 54,597.78

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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.