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Finding the Fourth Proportional to 35,097.49, 52,660.86 and 15,390.19

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Solution

The fourth proportional to 35,097.49, 52,660.86 and 15,390.19 is: 23,091.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,097.49 : 52,660.86 = 15,390.19 : x
  2. Step 2: Convert to fraction form
    35,097.49/52,660.86 = 15,390.19/x
  3. Step 3: Cross multiply
    35,097.49x = 52,660.86 × 15,390.19
  4. Step 4: Simplify right side
    35,097.49x = 810,460,640.96
  5. Step 5: Solve for x
    x = 810,460,640.96/35,097.49
  6. Step 6: Final answer
    x = 23,091.70

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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.