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Finding the Fourth Proportional to 64,846.55, 89,488.40 and 36,168.07

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Solution

The fourth proportional to 64,846.55, 89,488.40 and 36,168.07 is: 49,912.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,846.55 : 89,488.40 = 36,168.07 : x
  2. Step 2: Convert to fraction form
    64,846.55/89,488.40 = 36,168.07/x
  3. Step 3: Cross multiply
    64,846.55x = 89,488.40 × 36,168.07
  4. Step 4: Simplify right side
    64,846.55x = 3,236,622,682.06
  5. Step 5: Solve for x
    x = 3,236,622,682.06/64,846.55
  6. Step 6: Final answer
    x = 49,912.02

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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.