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Finding the Fourth Proportional to 8,556.97, 11,808.71 and 5,020.24

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Solution

The fourth proportional to 8,556.97, 11,808.71 and 5,020.24 is: 6,927.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.97 : 11,808.71 = 5,020.24 : x
  2. Step 2: Convert to fraction form
    8,556.97/11,808.71 = 5,020.24/x
  3. Step 3: Cross multiply
    8,556.97x = 11,808.71 × 5,020.24
  4. Step 4: Simplify right side
    8,556.97x = 59,282,558.29
  5. Step 5: Solve for x
    x = 59,282,558.29/8,556.97
  6. Step 6: Final answer
    x = 6,927.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.