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Finding the Fourth Proportional to 8,857.84, 13,300.02 and 7,675.54

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Solution

The fourth proportional to 8,857.84, 13,300.02 and 7,675.54 is: 11,524.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.84 : 13,300.02 = 7,675.54 : x
  2. Step 2: Convert to fraction form
    8,857.84/13,300.02 = 7,675.54/x
  3. Step 3: Cross multiply
    8,857.84x = 13,300.02 × 7,675.54
  4. Step 4: Simplify right side
    8,857.84x = 102,084,835.51
  5. Step 5: Solve for x
    x = 102,084,835.51/8,857.84
  6. Step 6: Final answer
    x = 11,524.80

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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.