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Finding the Fourth Proportional to 2,403.52, 3,605.76 and 760.24

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Solution

The fourth proportional to 2,403.52, 3,605.76 and 760.24 is: 1,140.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.52 : 3,605.76 = 760.24 : x
  2. Step 2: Convert to fraction form
    2,403.52/3,605.76 = 760.24/x
  3. Step 3: Cross multiply
    2,403.52x = 3,605.76 × 760.24
  4. Step 4: Simplify right side
    2,403.52x = 2,741,242.98
  5. Step 5: Solve for x
    x = 2,741,242.98/2,403.52
  6. Step 6: Final answer
    x = 1,140.51

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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.