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Finding the Fourth Proportional to 36,558.80, 54,838.20 and 26,579.60

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Solution

The fourth proportional to 36,558.80, 54,838.20 and 26,579.60 is: 39,869.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,558.80 : 54,838.20 = 26,579.60 : x
  2. Step 2: Convert to fraction form
    36,558.80/54,838.20 = 26,579.60/x
  3. Step 3: Cross multiply
    36,558.80x = 54,838.20 × 26,579.60
  4. Step 4: Simplify right side
    36,558.80x = 1,457,577,420.72
  5. Step 5: Solve for x
    x = 1,457,577,420.72/36,558.80
  6. Step 6: Final answer
    x = 39,869.40

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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.