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Finding the Fourth Proportional to 7,373.90, 11,055.09 and 5,028.09

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Solution

The fourth proportional to 7,373.90, 11,055.09 and 5,028.09 is: 7,538.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,373.90 : 11,055.09 = 5,028.09 : x
  2. Step 2: Convert to fraction form
    7,373.90/11,055.09 = 5,028.09/x
  3. Step 3: Cross multiply
    7,373.90x = 11,055.09 × 5,028.09
  4. Step 4: Simplify right side
    7,373.90x = 55,585,987.48
  5. Step 5: Solve for x
    x = 55,585,987.48/7,373.90
  6. Step 6: Final answer
    x = 7,538.21

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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.