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Finding the Fourth Proportional to 3,669.80, 4,957.88 and 3,669.80

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Solution

The fourth proportional to 3,669.80, 4,957.88 and 3,669.80 is: 4,957.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.80 : 4,957.88 = 3,669.80 : x
  2. Step 2: Convert to fraction form
    3,669.80/4,957.88 = 3,669.80/x
  3. Step 3: Cross multiply
    3,669.80x = 4,957.88 × 3,669.80
  4. Step 4: Simplify right side
    3,669.80x = 18,194,409.68
  5. Step 5: Solve for x
    x = 18,194,409.68/3,669.80
  6. Step 6: Final answer
    x = 4,957.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.