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Finding the Fourth Proportional to 64,515.84, 96,773.76 and 37,902.48

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Solution

The fourth proportional to 64,515.84, 96,773.76 and 37,902.48 is: 56,853.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,515.84 : 96,773.76 = 37,902.48 : x
  2. Step 2: Convert to fraction form
    64,515.84/96,773.76 = 37,902.48/x
  3. Step 3: Cross multiply
    64,515.84x = 96,773.76 × 37,902.48
  4. Step 4: Simplify right side
    64,515.84x = 3,667,965,790.98
  5. Step 5: Solve for x
    x = 3,667,965,790.98/64,515.84
  6. Step 6: Final answer
    x = 56,853.72

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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.