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Finding the Fourth Proportional to 2,378.55, 3,567.96 and 735.36

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Solution

The fourth proportional to 2,378.55, 3,567.96 and 735.36 is: 1,103.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378.55 : 3,567.96 = 735.36 : x
  2. Step 2: Convert to fraction form
    2,378.55/3,567.96 = 735.36/x
  3. Step 3: Cross multiply
    2,378.55x = 3,567.96 × 735.36
  4. Step 4: Simplify right side
    2,378.55x = 2,623,735.07
  5. Step 5: Solve for x
    x = 2,623,735.07/2,378.55
  6. Step 6: Final answer
    x = 1,103.08

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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.