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Finding the Fourth Proportional to 30,343.66, 45,524.94 and 27,203.90

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Solution

The fourth proportional to 30,343.66, 45,524.94 and 27,203.90 is: 40,814.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,343.66 : 45,524.94 = 27,203.90 : x
  2. Step 2: Convert to fraction form
    30,343.66/45,524.94 = 27,203.90/x
  3. Step 3: Cross multiply
    30,343.66x = 45,524.94 × 27,203.90
  4. Step 4: Simplify right side
    30,343.66x = 1,238,455,585.63
  5. Step 5: Solve for x
    x = 1,238,455,585.63/30,343.66
  6. Step 6: Final answer
    x = 40,814.31

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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.