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Finding the Fourth Proportional to 36,698.40, 55,036.80 and 14,504.40

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Solution

The fourth proportional to 36,698.40, 55,036.80 and 14,504.40 is: 21,752.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,698.40 : 55,036.80 = 14,504.40 : x
  2. Step 2: Convert to fraction form
    36,698.40/55,036.80 = 14,504.40/x
  3. Step 3: Cross multiply
    36,698.40x = 55,036.80 × 14,504.40
  4. Step 4: Simplify right side
    36,698.40x = 798,275,761.92
  5. Step 5: Solve for x
    x = 798,275,761.92/36,698.40
  6. Step 6: Final answer
    x = 21,752.33

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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.