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Finding the Fourth Proportional to 47,697.76, 65,825.98 and 27,555.48

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Solution

The fourth proportional to 47,697.76, 65,825.98 and 27,555.48 is: 38,028.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,697.76 : 65,825.98 = 27,555.48 : x
  2. Step 2: Convert to fraction form
    47,697.76/65,825.98 = 27,555.48/x
  3. Step 3: Cross multiply
    47,697.76x = 65,825.98 × 27,555.48
  4. Step 4: Simplify right side
    47,697.76x = 1,813,866,475.37
  5. Step 5: Solve for x
    x = 1,813,866,475.37/47,697.76
  6. Step 6: Final answer
    x = 38,028.34

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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.