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Finding the Fourth Proportional to 5,270.59, 7,907.03 and 2,805.06

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Solution

The fourth proportional to 5,270.59, 7,907.03 and 2,805.06 is: 4,208.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.59 : 7,907.03 = 2,805.06 : x
  2. Step 2: Convert to fraction form
    5,270.59/7,907.03 = 2,805.06/x
  3. Step 3: Cross multiply
    5,270.59x = 7,907.03 × 2,805.06
  4. Step 4: Simplify right side
    5,270.59x = 22,179,693.57
  5. Step 5: Solve for x
    x = 22,179,693.57/5,270.59
  6. Step 6: Final answer
    x = 4,208.20

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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.