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Finding the Fourth Proportional to 39,941.18, 55,119.01 and 22,036.18

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Solution

The fourth proportional to 39,941.18, 55,119.01 and 22,036.18 is: 30,410.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,941.18 : 55,119.01 = 22,036.18 : x
  2. Step 2: Convert to fraction form
    39,941.18/55,119.01 = 22,036.18/x
  3. Step 3: Cross multiply
    39,941.18x = 55,119.01 × 22,036.18
  4. Step 4: Simplify right side
    39,941.18x = 1,214,612,425.78
  5. Step 5: Solve for x
    x = 1,214,612,425.78/39,941.18
  6. Step 6: Final answer
    x = 30,410.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.