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Finding the Fourth Proportional to 27,959.55, 41,918.96 and 13,160.24

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Solution

The fourth proportional to 27,959.55, 41,918.96 and 13,160.24 is: 19,730.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,959.55 : 41,918.96 = 13,160.24 : x
  2. Step 2: Convert to fraction form
    27,959.55/41,918.96 = 13,160.24/x
  3. Step 3: Cross multiply
    27,959.55x = 41,918.96 × 13,160.24
  4. Step 4: Simplify right side
    27,959.55x = 551,663,298.75
  5. Step 5: Solve for x
    x = 551,663,298.75/27,959.55
  6. Step 6: Final answer
    x = 19,730.76

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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.