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Finding the Fourth Proportional to 36,606.20, 54,868.80 and 14,412.20

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Solution

The fourth proportional to 36,606.20, 54,868.80 and 14,412.20 is: 21,602.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,606.20 : 54,868.80 = 14,412.20 : x
  2. Step 2: Convert to fraction form
    36,606.20/54,868.80 = 14,412.20/x
  3. Step 3: Cross multiply
    36,606.20x = 54,868.80 × 14,412.20
  4. Step 4: Simplify right side
    36,606.20x = 790,780,119.36
  5. Step 5: Solve for x
    x = 790,780,119.36/36,606.20
  6. Step 6: Final answer
    x = 21,602.35

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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.