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Finding the Fourth Proportional to 7,055.08, 10,575.06 and 3,355

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Solution

The fourth proportional to 7,055.08, 10,575.06 and 3,355 is: 5,028.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,055.08 : 10,575.06 = 3,355 : x
  2. Step 2: Convert to fraction form
    7,055.08/10,575.06 = 3,355/x
  3. Step 3: Cross multiply
    7,055.08x = 10,575.06 × 3,355
  4. Step 4: Simplify right side
    7,055.08x = 35,479,326.30
  5. Step 5: Solve for x
    x = 35,479,326.30/7,055.08
  6. Step 6: Final answer
    x = 5,028.90

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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.