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Finding the Fourth Proportional to 36,642.83, 54,966.43 and 14,153.68

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Solution

The fourth proportional to 36,642.83, 54,966.43 and 14,153.68 is: 21,231.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,642.83 : 54,966.43 = 14,153.68 : x
  2. Step 2: Convert to fraction form
    36,642.83/54,966.43 = 14,153.68/x
  3. Step 3: Cross multiply
    36,642.83x = 54,966.43 × 14,153.68
  4. Step 4: Simplify right side
    36,642.83x = 777,977,267.75
  5. Step 5: Solve for x
    x = 777,977,267.75/36,642.83
  6. Step 6: Final answer
    x = 21,231.36

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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.