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Finding the Fourth Proportional to 27,605.60, 41,419.20 and 10,077.20

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Solution

The fourth proportional to 27,605.60, 41,419.20 and 10,077.20 is: 15,119.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,605.60 : 41,419.20 = 10,077.20 : x
  2. Step 2: Convert to fraction form
    27,605.60/41,419.20 = 10,077.20/x
  3. Step 3: Cross multiply
    27,605.60x = 41,419.20 × 10,077.20
  4. Step 4: Simplify right side
    27,605.60x = 417,389,562.24
  5. Step 5: Solve for x
    x = 417,389,562.24/27,605.60
  6. Step 6: Final answer
    x = 15,119.74

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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.