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Finding the Fourth Proportional to 3,973.48, 5,960.24 and 1,200.16

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Solution

The fourth proportional to 3,973.48, 5,960.24 and 1,200.16 is: 1,800.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,973.48 : 5,960.24 = 1,200.16 : x
  2. Step 2: Convert to fraction form
    3,973.48/5,960.24 = 1,200.16/x
  3. Step 3: Cross multiply
    3,973.48x = 5,960.24 × 1,200.16
  4. Step 4: Simplify right side
    3,973.48x = 7,153,241.64
  5. Step 5: Solve for x
    x = 7,153,241.64/3,973.48
  6. Step 6: Final answer
    x = 1,800.25

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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.