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Finding the Fourth Proportional to 39,996.80, 59,921.40 and 23,364.80

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Solution

The fourth proportional to 39,996.80, 59,921.40 and 23,364.80 is: 35,004.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,996.80 : 59,921.40 = 23,364.80 : x
  2. Step 2: Convert to fraction form
    39,996.80/59,921.40 = 23,364.80/x
  3. Step 3: Cross multiply
    39,996.80x = 59,921.40 × 23,364.80
  4. Step 4: Simplify right side
    39,996.80x = 1,400,051,526.72
  5. Step 5: Solve for x
    x = 1,400,051,526.72/39,996.80
  6. Step 6: Final answer
    x = 35,004.09

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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.