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Finding the Fourth Proportional to 74,009.40, 111,072.42 and 27,295.08

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Solution

The fourth proportional to 74,009.40, 111,072.42 and 27,295.08 is: 40,964.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,009.40 : 111,072.42 = 27,295.08 : x
  2. Step 2: Convert to fraction form
    74,009.40/111,072.42 = 27,295.08/x
  3. Step 3: Cross multiply
    74,009.40x = 111,072.42 × 27,295.08
  4. Step 4: Simplify right side
    74,009.40x = 3,031,730,589.69
  5. Step 5: Solve for x
    x = 3,031,730,589.69/74,009.40
  6. Step 6: Final answer
    x = 40,964.13

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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.