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Finding the Fourth Proportional to 65,704.66, 90,672.52 and 37,410.36

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Solution

The fourth proportional to 65,704.66, 90,672.52 and 37,410.36 is: 51,626.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,704.66 : 90,672.52 = 37,410.36 : x
  2. Step 2: Convert to fraction form
    65,704.66/90,672.52 = 37,410.36/x
  3. Step 3: Cross multiply
    65,704.66x = 90,672.52 × 37,410.36
  4. Step 4: Simplify right side
    65,704.66x = 3,392,091,615.31
  5. Step 5: Solve for x
    x = 3,392,091,615.31/65,704.66
  6. Step 6: Final answer
    x = 51,626.35

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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.