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Finding the Fourth Proportional to 30,361.01, 45,239.70 and 27,048.65

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Solution

The fourth proportional to 30,361.01, 45,239.70 and 27,048.65 is: 40,304.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,361.01 : 45,239.70 = 27,048.65 : x
  2. Step 2: Convert to fraction form
    30,361.01/45,239.70 = 27,048.65/x
  3. Step 3: Cross multiply
    30,361.01x = 45,239.70 × 27,048.65
  4. Step 4: Simplify right side
    30,361.01x = 1,223,672,676.16
  5. Step 5: Solve for x
    x = 1,223,672,676.16/30,361.01
  6. Step 6: Final answer
    x = 40,304.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.