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Finding the Fourth Proportional to 68,783.40, 103,150.80 and 24,411.60

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Solution

The fourth proportional to 68,783.40, 103,150.80 and 24,411.60 is: 36,608.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,783.40 : 103,150.80 = 24,411.60 : x
  2. Step 2: Convert to fraction form
    68,783.40/103,150.80 = 24,411.60/x
  3. Step 3: Cross multiply
    68,783.40x = 103,150.80 × 24,411.60
  4. Step 4: Simplify right side
    68,783.40x = 2,518,076,069.28
  5. Step 5: Solve for x
    x = 2,518,076,069.28/68,783.40
  6. Step 6: Final answer
    x = 36,608.78

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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.