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Finding the Fourth Proportional to 30,903.87, 46,360.25 and 9,558.25

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Solution

The fourth proportional to 30,903.87, 46,360.25 and 9,558.25 is: 14,338.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,903.87 : 46,360.25 = 9,558.25 : x
  2. Step 2: Convert to fraction form
    30,903.87/46,360.25 = 9,558.25/x
  3. Step 3: Cross multiply
    30,903.87x = 46,360.25 × 9,558.25
  4. Step 4: Simplify right side
    30,903.87x = 443,122,859.56
  5. Step 5: Solve for x
    x = 443,122,859.56/30,903.87
  6. Step 6: Final answer
    x = 14,338.75

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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.