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Finding the Fourth Proportional to 8,805.05, 13,209.87 and 2,564.93

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Solution

The fourth proportional to 8,805.05, 13,209.87 and 2,564.93 is: 3,848.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805.05 : 13,209.87 = 2,564.93 : x
  2. Step 2: Convert to fraction form
    8,805.05/13,209.87 = 2,564.93/x
  3. Step 3: Cross multiply
    8,805.05x = 13,209.87 × 2,564.93
  4. Step 4: Simplify right side
    8,805.05x = 33,882,434.50
  5. Step 5: Solve for x
    x = 33,882,434.50/8,805.05
  6. Step 6: Final answer
    x = 3,848.07

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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.