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Finding the Fourth Proportional to 52,664.80, 72,693.84 and 43,333.60

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Solution

The fourth proportional to 52,664.80, 72,693.84 and 43,333.60 is: 59,813.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,664.80 : 72,693.84 = 43,333.60 : x
  2. Step 2: Convert to fraction form
    52,664.80/72,693.84 = 43,333.60/x
  3. Step 3: Cross multiply
    52,664.80x = 72,693.84 × 43,333.60
  4. Step 4: Simplify right side
    52,664.80x = 3,150,085,785.02
  5. Step 5: Solve for x
    x = 3,150,085,785.02/52,664.80
  6. Step 6: Final answer
    x = 59,813.88

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1.5x scale

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.