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Finding the Fourth Proportional to 67,478.88, 93,102.08 and 38,796.96

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Solution

The fourth proportional to 67,478.88, 93,102.08 and 38,796.96 is: 53,529.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,478.88 : 93,102.08 = 38,796.96 : x
  2. Step 2: Convert to fraction form
    67,478.88/93,102.08 = 38,796.96/x
  3. Step 3: Cross multiply
    67,478.88x = 93,102.08 × 38,796.96
  4. Step 4: Simplify right side
    67,478.88x = 3,612,077,479.69
  5. Step 5: Solve for x
    x = 3,612,077,479.69/67,478.88
  6. Step 6: Final answer
    x = 53,529.01

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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.