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Finding the Fourth Proportional to 6,589.68, 9,090 and 5,805.60

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Solution

The fourth proportional to 6,589.68, 9,090 and 5,805.60 is: 8,008.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,589.68 : 9,090 = 5,805.60 : x
  2. Step 2: Convert to fraction form
    6,589.68/9,090 = 5,805.60/x
  3. Step 3: Cross multiply
    6,589.68x = 9,090 × 5,805.60
  4. Step 4: Simplify right side
    6,589.68x = 52,772,904
  5. Step 5: Solve for x
    x = 52,772,904/6,589.68
  6. Step 6: Final answer
    x = 8,008.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.