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Finding the Fourth Proportional to 30,755.63, 46,133.55 and 9,697.66

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Solution

The fourth proportional to 30,755.63, 46,133.55 and 9,697.66 is: 14,546.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,755.63 : 46,133.55 = 9,697.66 : x
  2. Step 2: Convert to fraction form
    30,755.63/46,133.55 = 9,697.66/x
  3. Step 3: Cross multiply
    30,755.63x = 46,133.55 × 9,697.66
  4. Step 4: Simplify right side
    30,755.63x = 447,387,367.16
  5. Step 5: Solve for x
    x = 447,387,367.16/30,755.63
  6. Step 6: Final answer
    x = 14,546.52

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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.