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Finding the Fourth Proportional to 16,667.51, 25,006.74 and 6,815.08

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Solution

The fourth proportional to 16,667.51, 25,006.74 and 6,815.08 is: 10,224.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,667.51 : 25,006.74 = 6,815.08 : x
  2. Step 2: Convert to fraction form
    16,667.51/25,006.74 = 6,815.08/x
  3. Step 3: Cross multiply
    16,667.51x = 25,006.74 × 6,815.08
  4. Step 4: Simplify right side
    16,667.51x = 170,422,808.61
  5. Step 5: Solve for x
    x = 170,422,808.61/16,667.51
  6. Step 6: Final answer
    x = 10,224.85

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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.