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Finding the Fourth Proportional to 52,680.64, 72,670.60 and 33,820.60

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Solution

The fourth proportional to 52,680.64, 72,670.60 and 33,820.60 is: 46,654.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,680.64 : 72,670.60 = 33,820.60 : x
  2. Step 2: Convert to fraction form
    52,680.64/72,670.60 = 33,820.60/x
  3. Step 3: Cross multiply
    52,680.64x = 72,670.60 × 33,820.60
  4. Step 4: Simplify right side
    52,680.64x = 2,457,763,294.36
  5. Step 5: Solve for x
    x = 2,457,763,294.36/52,680.64
  6. Step 6: Final answer
    x = 46,654.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.