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Finding the Fourth Proportional to 26,203.34, 39,304.92 and 10,620.92

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Solution

The fourth proportional to 26,203.34, 39,304.92 and 10,620.92 is: 15,931.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,203.34 : 39,304.92 = 10,620.92 : x
  2. Step 2: Convert to fraction form
    26,203.34/39,304.92 = 10,620.92/x
  3. Step 3: Cross multiply
    26,203.34x = 39,304.92 × 10,620.92
  4. Step 4: Simplify right side
    26,203.34x = 417,454,410.93
  5. Step 5: Solve for x
    x = 417,454,410.93/26,203.34
  6. Step 6: Final answer
    x = 15,931.34

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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.