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Finding the Fourth Proportional to 41,292.60, 61,943.01 and 13,205.60

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Solution

The fourth proportional to 41,292.60, 61,943.01 and 13,205.60 is: 19,809.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,292.60 : 61,943.01 = 13,205.60 : x
  2. Step 2: Convert to fraction form
    41,292.60/61,943.01 = 13,205.60/x
  3. Step 3: Cross multiply
    41,292.60x = 61,943.01 × 13,205.60
  4. Step 4: Simplify right side
    41,292.60x = 817,994,560.19
  5. Step 5: Solve for x
    x = 817,994,560.19/41,292.60
  6. Step 6: Final answer
    x = 19,809.71

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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.