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Finding the Fourth Proportional to 30,756.71, 46,135.07 and 7,383.15

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Solution

The fourth proportional to 30,756.71, 46,135.07 and 7,383.15 is: 11,074.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,756.71 : 46,135.07 = 7,383.15 : x
  2. Step 2: Convert to fraction form
    30,756.71/46,135.07 = 7,383.15/x
  3. Step 3: Cross multiply
    30,756.71x = 46,135.07 × 7,383.15
  4. Step 4: Simplify right side
    30,756.71x = 340,622,032.49
  5. Step 5: Solve for x
    x = 340,622,032.49/30,756.71
  6. Step 6: Final answer
    x = 11,074.72

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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.