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Finding the Fourth Proportional to 8,750.97, 13,125.91 and 3,556.71

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Solution

The fourth proportional to 8,750.97, 13,125.91 and 3,556.71 is: 5,334.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.97 : 13,125.91 = 3,556.71 : x
  2. Step 2: Convert to fraction form
    8,750.97/13,125.91 = 3,556.71/x
  3. Step 3: Cross multiply
    8,750.97x = 13,125.91 × 3,556.71
  4. Step 4: Simplify right side
    8,750.97x = 46,685,055.36
  5. Step 5: Solve for x
    x = 46,685,055.36/8,750.97
  6. Step 6: Final answer
    x = 5,334.84

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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.