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Finding the Fourth Proportional to 8,878.59, 13,315.19 and 3,683.25

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Solution

The fourth proportional to 8,878.59, 13,315.19 and 3,683.25 is: 5,523.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878.59 : 13,315.19 = 3,683.25 : x
  2. Step 2: Convert to fraction form
    8,878.59/13,315.19 = 3,683.25/x
  3. Step 3: Cross multiply
    8,878.59x = 13,315.19 × 3,683.25
  4. Step 4: Simplify right side
    8,878.59x = 49,043,155.15
  5. Step 5: Solve for x
    x = 49,043,155.15/8,878.59
  6. Step 6: Final answer
    x = 5,523.75

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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.