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Finding the Fourth Proportional to 4,826.94, 7,239.67 and 1,317.24

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Solution

The fourth proportional to 4,826.94, 7,239.67 and 1,317.24 is: 1,975.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,826.94 : 7,239.67 = 1,317.24 : x
  2. Step 2: Convert to fraction form
    4,826.94/7,239.67 = 1,317.24/x
  3. Step 3: Cross multiply
    4,826.94x = 7,239.67 × 1,317.24
  4. Step 4: Simplify right side
    4,826.94x = 9,536,346.71
  5. Step 5: Solve for x
    x = 9,536,346.71/4,826.94
  6. Step 6: Final answer
    x = 1,975.65

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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.