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Finding the Fourth Proportional to 2,322.99, 3,483.74 and 762.57

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Solution

The fourth proportional to 2,322.99, 3,483.74 and 762.57 is: 1,143.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,322.99 : 3,483.74 = 762.57 : x
  2. Step 2: Convert to fraction form
    2,322.99/3,483.74 = 762.57/x
  3. Step 3: Cross multiply
    2,322.99x = 3,483.74 × 762.57
  4. Step 4: Simplify right side
    2,322.99x = 2,656,595.61
  5. Step 5: Solve for x
    x = 2,656,595.61/2,322.99
  6. Step 6: Final answer
    x = 1,143.61

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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.