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Finding the Fourth Proportional to 41,146.41, 61,719.16 and 13,065.71

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Solution

The fourth proportional to 41,146.41, 61,719.16 and 13,065.71 is: 19,598.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,146.41 : 61,719.16 = 13,065.71 : x
  2. Step 2: Convert to fraction form
    41,146.41/61,719.16 = 13,065.71/x
  3. Step 3: Cross multiply
    41,146.41x = 61,719.16 × 13,065.71
  4. Step 4: Simplify right side
    41,146.41x = 806,404,646.00
  5. Step 5: Solve for x
    x = 806,404,646.00/41,146.41
  6. Step 6: Final answer
    x = 19,598.42

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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.