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Finding the Fourth Proportional to 63,479.72, 87,599.94 and 38,324.84

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Solution

The fourth proportional to 63,479.72, 87,599.94 and 38,324.84 is: 52,887.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,479.72 : 87,599.94 = 38,324.84 : x
  2. Step 2: Convert to fraction form
    63,479.72/87,599.94 = 38,324.84/x
  3. Step 3: Cross multiply
    63,479.72x = 87,599.94 × 38,324.84
  4. Step 4: Simplify right side
    63,479.72x = 3,357,253,684.51
  5. Step 5: Solve for x
    x = 3,357,253,684.51/63,479.72
  6. Step 6: Final answer
    x = 52,887.03

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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.