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Finding the Fourth Proportional to 5,825.03, 7,986.08 and 5,720.10

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Solution

The fourth proportional to 5,825.03, 7,986.08 and 5,720.10 is: 7,842.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,825.03 : 7,986.08 = 5,720.10 : x
  2. Step 2: Convert to fraction form
    5,825.03/7,986.08 = 5,720.10/x
  3. Step 3: Cross multiply
    5,825.03x = 7,986.08 × 5,720.10
  4. Step 4: Simplify right side
    5,825.03x = 45,681,147.61
  5. Step 5: Solve for x
    x = 45,681,147.61/5,825.03
  6. Step 6: Final answer
    x = 7,842.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.