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Finding the Fourth Proportional to 27,959.80, 41,884.60 and 14,779.48

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Solution

The fourth proportional to 27,959.80, 41,884.60 and 14,779.48 is: 22,140.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,959.80 : 41,884.60 = 14,779.48 : x
  2. Step 2: Convert to fraction form
    27,959.80/41,884.60 = 14,779.48/x
  3. Step 3: Cross multiply
    27,959.80x = 41,884.60 × 14,779.48
  4. Step 4: Simplify right side
    27,959.80x = 619,032,608.01
  5. Step 5: Solve for x
    x = 619,032,608.01/27,959.80
  6. Step 6: Final answer
    x = 22,140.09

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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.