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Finding the Fourth Proportional to 8,556.33, 11,762.45 and 7,356.89

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Solution

The fourth proportional to 8,556.33, 11,762.45 and 7,356.89 is: 10,113.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.33 : 11,762.45 = 7,356.89 : x
  2. Step 2: Convert to fraction form
    8,556.33/11,762.45 = 7,356.89/x
  3. Step 3: Cross multiply
    8,556.33x = 11,762.45 × 7,356.89
  4. Step 4: Simplify right side
    8,556.33x = 86,535,050.78
  5. Step 5: Solve for x
    x = 86,535,050.78/8,556.33
  6. Step 6: Final answer
    x = 10,113.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.