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Finding the Fourth Proportional to 11,683.40, 17,525.10 and 4,288.10

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Solution

The fourth proportional to 11,683.40, 17,525.10 and 4,288.10 is: 6,432.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,683.40 : 17,525.10 = 4,288.10 : x
  2. Step 2: Convert to fraction form
    11,683.40/17,525.10 = 4,288.10/x
  3. Step 3: Cross multiply
    11,683.40x = 17,525.10 × 4,288.10
  4. Step 4: Simplify right side
    11,683.40x = 75,149,381.31
  5. Step 5: Solve for x
    x = 75,149,381.31/11,683.40
  6. Step 6: Final answer
    x = 6,432.15

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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.