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Finding the Fourth Proportional to 3,669.64, 5,059.04 and 3,554.76

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Solution

The fourth proportional to 3,669.64, 5,059.04 and 3,554.76 is: 4,900.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.64 : 5,059.04 = 3,554.76 : x
  2. Step 2: Convert to fraction form
    3,669.64/5,059.04 = 3,554.76/x
  3. Step 3: Cross multiply
    3,669.64x = 5,059.04 × 3,554.76
  4. Step 4: Simplify right side
    3,669.64x = 17,983,673.03
  5. Step 5: Solve for x
    x = 17,983,673.03/3,669.64
  6. Step 6: Final answer
    x = 4,900.66

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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.