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Finding the Fourth Proportional to 36,465.48, 54,698.21 and 8,763.48

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Solution

The fourth proportional to 36,465.48, 54,698.21 and 8,763.48 is: 13,145.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,465.48 : 54,698.21 = 8,763.48 : x
  2. Step 2: Convert to fraction form
    36,465.48/54,698.21 = 8,763.48/x
  3. Step 3: Cross multiply
    36,465.48x = 54,698.21 × 8,763.48
  4. Step 4: Simplify right side
    36,465.48x = 479,346,669.37
  5. Step 5: Solve for x
    x = 479,346,669.37/36,465.48
  6. Step 6: Final answer
    x = 13,145.22

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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.