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Finding the Fourth Proportional to 24,683.08, 36,978.12 and 12,188.48

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Solution

The fourth proportional to 24,683.08, 36,978.12 and 12,188.48 is: 18,259.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,683.08 : 36,978.12 = 12,188.48 : x
  2. Step 2: Convert to fraction form
    24,683.08/36,978.12 = 12,188.48/x
  3. Step 3: Cross multiply
    24,683.08x = 36,978.12 × 12,188.48
  4. Step 4: Simplify right side
    24,683.08x = 450,706,891.17
  5. Step 5: Solve for x
    x = 450,706,891.17/24,683.08
  6. Step 6: Final answer
    x = 18,259.75

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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.