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Finding the Fourth Proportional to 2,950.58, 4,426.40 and 976.32

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Solution

The fourth proportional to 2,950.58, 4,426.40 and 976.32 is: 1,464.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.58 : 4,426.40 = 976.32 : x
  2. Step 2: Convert to fraction form
    2,950.58/4,426.40 = 976.32/x
  3. Step 3: Cross multiply
    2,950.58x = 4,426.40 × 976.32
  4. Step 4: Simplify right side
    2,950.58x = 4,321,585.29
  5. Step 5: Solve for x
    x = 4,321,585.29/2,950.58
  6. Step 6: Final answer
    x = 1,464.65

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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.