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Finding the Fourth Proportional to 24,783.60, 37,180.80 and 8,140.80

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Solution

The fourth proportional to 24,783.60, 37,180.80 and 8,140.80 is: 12,212.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,783.60 : 37,180.80 = 8,140.80 : x
  2. Step 2: Convert to fraction form
    24,783.60/37,180.80 = 8,140.80/x
  3. Step 3: Cross multiply
    24,783.60x = 37,180.80 × 8,140.80
  4. Step 4: Simplify right side
    24,783.60x = 302,681,456.64
  5. Step 5: Solve for x
    x = 302,681,456.64/24,783.60
  6. Step 6: Final answer
    x = 12,212.97

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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.