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Finding the Fourth Proportional to 48,358.54, 66,728.91 and 27,133.30

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Solution

The fourth proportional to 48,358.54, 66,728.91 and 27,133.30 is: 37,440.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,358.54 : 66,728.91 = 27,133.30 : x
  2. Step 2: Convert to fraction form
    48,358.54/66,728.91 = 27,133.30/x
  3. Step 3: Cross multiply
    48,358.54x = 66,728.91 × 27,133.30
  4. Step 4: Simplify right side
    48,358.54x = 1,810,575,533.70
  5. Step 5: Solve for x
    x = 1,810,575,533.70/48,358.54
  6. Step 6: Final answer
    x = 37,440.66

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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.