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Finding the Fourth Proportional to 36,465.74, 54,698.60 and 8,763.74

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Solution

The fourth proportional to 36,465.74, 54,698.60 and 8,763.74 is: 13,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,465.74 : 54,698.60 = 8,763.74 : x
  2. Step 2: Convert to fraction form
    36,465.74/54,698.60 = 8,763.74/x
  3. Step 3: Cross multiply
    36,465.74x = 54,698.60 × 8,763.74
  4. Step 4: Simplify right side
    36,465.74x = 479,363,991.45
  5. Step 5: Solve for x
    x = 479,363,991.45/36,465.74
  6. Step 6: Final answer
    x = 13,145.60

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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.