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Finding the Fourth Proportional to 1,785.94, 2,464.76 and 1,000.24

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Solution

The fourth proportional to 1,785.94, 2,464.76 and 1,000.24 is: 1,380.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785.94 : 2,464.76 = 1,000.24 : x
  2. Step 2: Convert to fraction form
    1,785.94/2,464.76 = 1,000.24/x
  3. Step 3: Cross multiply
    1,785.94x = 2,464.76 × 1,000.24
  4. Step 4: Simplify right side
    1,785.94x = 2,465,351.54
  5. Step 5: Solve for x
    x = 2,465,351.54/1,785.94
  6. Step 6: Final answer
    x = 1,380.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.