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Finding the Fourth Proportional to 33,938.16, 50,901.48 and 8,978.48

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Solution

The fourth proportional to 33,938.16, 50,901.48 and 8,978.48 is: 13,466.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,938.16 : 50,901.48 = 8,978.48 : x
  2. Step 2: Convert to fraction form
    33,938.16/50,901.48 = 8,978.48/x
  3. Step 3: Cross multiply
    33,938.16x = 50,901.48 × 8,978.48
  4. Step 4: Simplify right side
    33,938.16x = 457,017,920.15
  5. Step 5: Solve for x
    x = 457,017,920.15/33,938.16
  6. Step 6: Final answer
    x = 13,466.20

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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.