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Finding the Fourth Proportional to 62,272.13, 93,409.01 and 20,719.13

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Solution

The fourth proportional to 62,272.13, 93,409.01 and 20,719.13 is: 31,078.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,272.13 : 93,409.01 = 20,719.13 : x
  2. Step 2: Convert to fraction form
    62,272.13/93,409.01 = 20,719.13/x
  3. Step 3: Cross multiply
    62,272.13x = 93,409.01 × 20,719.13
  4. Step 4: Simplify right side
    62,272.13x = 1,935,352,850.72
  5. Step 5: Solve for x
    x = 1,935,352,850.72/62,272.13
  6. Step 6: Final answer
    x = 31,078.96

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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.