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Finding the Fourth Proportional to 36,395.36, 54,566.04 and 11,421.20

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Solution

The fourth proportional to 36,395.36, 54,566.04 and 11,421.20 is: 17,123.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,395.36 : 54,566.04 = 11,421.20 : x
  2. Step 2: Convert to fraction form
    36,395.36/54,566.04 = 11,421.20/x
  3. Step 3: Cross multiply
    36,395.36x = 54,566.04 × 11,421.20
  4. Step 4: Simplify right side
    36,395.36x = 623,209,656.05
  5. Step 5: Solve for x
    x = 623,209,656.05/36,395.36
  6. Step 6: Final answer
    x = 17,123.33

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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.