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Finding the Fourth Proportional to 64,373.84, 96,542.30 and 19,399.55

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Solution

The fourth proportional to 64,373.84, 96,542.30 and 19,399.55 is: 29,093.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,373.84 : 96,542.30 = 19,399.55 : x
  2. Step 2: Convert to fraction form
    64,373.84/96,542.30 = 19,399.55/x
  3. Step 3: Cross multiply
    64,373.84x = 96,542.30 × 19,399.55
  4. Step 4: Simplify right side
    64,373.84x = 1,872,876,596.26
  5. Step 5: Solve for x
    x = 1,872,876,596.26/64,373.84
  6. Step 6: Final answer
    x = 29,093.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.