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Finding the Fourth Proportional to 47,643.72, 65,737.74 and 27,499.29

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Solution

The fourth proportional to 47,643.72, 65,737.74 and 27,499.29 is: 37,942.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,643.72 : 65,737.74 = 27,499.29 : x
  2. Step 2: Convert to fraction form
    47,643.72/65,737.74 = 27,499.29/x
  3. Step 3: Cross multiply
    47,643.72x = 65,737.74 × 27,499.29
  4. Step 4: Simplify right side
    47,643.72x = 1,807,741,176.20
  5. Step 5: Solve for x
    x = 1,807,741,176.20/47,643.72
  6. Step 6: Final answer
    x = 37,942.91

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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.