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Finding the Fourth Proportional to 8,807.43, 13,211.16 and 3,544.86

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Solution

The fourth proportional to 8,807.43, 13,211.16 and 3,544.86 is: 5,317.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,807.43 : 13,211.16 = 3,544.86 : x
  2. Step 2: Convert to fraction form
    8,807.43/13,211.16 = 3,544.86/x
  3. Step 3: Cross multiply
    8,807.43x = 13,211.16 × 3,544.86
  4. Step 4: Simplify right side
    8,807.43x = 46,831,712.64
  5. Step 5: Solve for x
    x = 46,831,712.64/8,807.43
  6. Step 6: Final answer
    x = 5,317.30

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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.