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Finding the Fourth Proportional to 30,959.58, 46,439.37 and 7,585.82

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Solution

The fourth proportional to 30,959.58, 46,439.37 and 7,585.82 is: 11,378.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,959.58 : 46,439.37 = 7,585.82 : x
  2. Step 2: Convert to fraction form
    30,959.58/46,439.37 = 7,585.82/x
  3. Step 3: Cross multiply
    30,959.58x = 46,439.37 × 7,585.82
  4. Step 4: Simplify right side
    30,959.58x = 352,280,431.61
  5. Step 5: Solve for x
    x = 352,280,431.61/30,959.58
  6. Step 6: Final answer
    x = 11,378.72

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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.