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Finding the Fourth Proportional to 3,661.60, 5,501.04 and 3,013.60

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Solution

The fourth proportional to 3,661.60, 5,501.04 and 3,013.60 is: 4,527.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661.60 : 5,501.04 = 3,013.60 : x
  2. Step 2: Convert to fraction form
    3,661.60/5,501.04 = 3,013.60/x
  3. Step 3: Cross multiply
    3,661.60x = 5,501.04 × 3,013.60
  4. Step 4: Simplify right side
    3,661.60x = 16,577,934.14
  5. Step 5: Solve for x
    x = 16,577,934.14/3,661.60
  6. Step 6: Final answer
    x = 4,527.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.