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Finding the Fourth Proportional to 7,751.51, 11,627.01 and 3,368.97

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Solution

The fourth proportional to 7,751.51, 11,627.01 and 3,368.97 is: 5,053.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,751.51 : 11,627.01 = 3,368.97 : x
  2. Step 2: Convert to fraction form
    7,751.51/11,627.01 = 3,368.97/x
  3. Step 3: Cross multiply
    7,751.51x = 11,627.01 × 3,368.97
  4. Step 4: Simplify right side
    7,751.51x = 39,171,031.03
  5. Step 5: Solve for x
    x = 39,171,031.03/7,751.51
  6. Step 6: Final answer
    x = 5,053.34

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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.