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Finding the Fourth Proportional to 63,521.53, 87,645.69 and 36,658.33

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Solution

The fourth proportional to 63,521.53, 87,645.69 and 36,658.33 is: 50,580.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,521.53 : 87,645.69 = 36,658.33 : x
  2. Step 2: Convert to fraction form
    63,521.53/87,645.69 = 36,658.33/x
  3. Step 3: Cross multiply
    63,521.53x = 87,645.69 × 36,658.33
  4. Step 4: Simplify right side
    63,521.53x = 3,212,944,627.10
  5. Step 5: Solve for x
    x = 3,212,944,627.10/63,521.53
  6. Step 6: Final answer
    x = 50,580.40

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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.