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Finding the Fourth Proportional to 47,672.48, 65,787.60 and 27,533.60

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Solution

The fourth proportional to 47,672.48, 65,787.60 and 27,533.60 is: 37,996.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,672.48 : 65,787.60 = 27,533.60 : x
  2. Step 2: Convert to fraction form
    47,672.48/65,787.60 = 27,533.60/x
  3. Step 3: Cross multiply
    47,672.48x = 65,787.60 × 27,533.60
  4. Step 4: Simplify right side
    47,672.48x = 1,811,369,463.36
  5. Step 5: Solve for x
    x = 1,811,369,463.36/47,672.48
  6. Step 6: Final answer
    x = 37,996.12

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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.