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Finding the Fourth Proportional to 8,593.58, 12,878.21 and 3,658.25

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Solution

The fourth proportional to 8,593.58, 12,878.21 and 3,658.25 is: 5,482.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,593.58 : 12,878.21 = 3,658.25 : x
  2. Step 2: Convert to fraction form
    8,593.58/12,878.21 = 3,658.25/x
  3. Step 3: Cross multiply
    8,593.58x = 12,878.21 × 3,658.25
  4. Step 4: Simplify right side
    8,593.58x = 47,111,629.05
  5. Step 5: Solve for x
    x = 47,111,629.05/8,593.58
  6. Step 6: Final answer
    x = 5,482.19

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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.