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Finding the Fourth Proportional to 5,860.53, 8,784.62 and 3,639.35

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Solution

The fourth proportional to 5,860.53, 8,784.62 and 3,639.35 is: 5,455.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,860.53 : 8,784.62 = 3,639.35 : x
  2. Step 2: Convert to fraction form
    5,860.53/8,784.62 = 3,639.35/x
  3. Step 3: Cross multiply
    5,860.53x = 8,784.62 × 3,639.35
  4. Step 4: Simplify right side
    5,860.53x = 31,970,244.68
  5. Step 5: Solve for x
    x = 31,970,244.68/5,860.53
  6. Step 6: Final answer
    x = 5,455.18

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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.